DIY working knife. How to make a knife with your own hands - a master class. Wrapping the handle with paracord in a few minutes

The design of a knife is one of the most important steps in its manufacture. Therefore, to make a good quality knife, it is worth spending some time on blueprints. At this stage, you should carefully plan the design of your knife: shape of the blade and handle, attachment of the handle, etc. After selecting the sketches, you must finally draw the knife at a 1: 1 scale and cut out its template. Now let's turn to the materials and tools that we need in the process of making a knife.

Stages of making a knife

10. Now let's start making the knife handle. First of all, you need to completely wrap the blade with electrical tape to avoid scratching the blade when working with the shank (and your hands will be more intact).

11. First, let's make the brass cushions. Drill holes in the plates and, connecting with the shank, rivet them together (provided that you know how to rivet). Pre-coat all sides with epoxy glue. After the epoxy is dry (at least 24 hours should pass), cut off the excess metal with a hacksaw. Then use emery and a sander to shape the cushions as desired. Sand the brass pads thoroughly.

12. Now let's do the same with the wooden plates. They should be the same thickness as the brass pads. However, if it seems to you that brass is an unnecessary detail and only complicates the work, you can exclude it from the design of the knife handle and perform it using only wooden plates. Also, some craftsmen are so confident in the strength of the glue that they completely ignore rivets. But I would not recommend doing this. Glue with glue, and rivets with rivets are safer.

13. After the glue has dried, remove the excess wood with a jigsaw and finally shape the handle.

14. Now it remains to grind and polish.

15. Well, the last step in making a knife is sharpening it. How to sharpen knives correctly you can. Good luck!

Photos are taken from some bourgeois site. Which one? I have no idea - I lost the link.

More about making knives:

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There are many different types knives, however, there are still people who want to make a knife for themselves, at home. And rightly so, because it will be exclusively their product, original and not like others.

This article will help a beginner to understand the manufacture of knives in the absence special conditions and will tell you how to choose the right materials for making knives and, in general terms, will tell you what to do with them, so do not judge strictly 🙂

To make a knife at home from start to finish, you will need:

- blade or material for its manufacture;
- materials for the handle;
- additional parts for the manufacture of tops, guards, bolster - or ready-made from the store;
- fasteners (depending on the manufacturing strategy - epoxy, screws, etc.)

Blade for making a knife

First, consider the question of what to do with the blade. Firstly, it will be extremely problematic to make it yourself at home - if you are not able to forge the blade yourself, so the best solution would be to buy a ready-made, for example, a Lauri 125 blade made of carbon steel.

Where to buy a blade for making a knife?

Sources selling prepared for homemade knife blade - quite a lot: you can buy them as from private masters at the same guns.ru or at exhibitions of edged weapons, buy blades in other online stores; or you can order an industrial blade from the manufacturer, including on Chinese auction sites such as ebay or aliexpress.

There are very high quality and inexpensive catalogs of blades from Finnish (and indeed Scandinavian) manufacturers, I can recommend them.
If you have absolutely difficulty finding a suitable blade, just take a sheet of metal, for example, a sawn-off piece of a spring, give it a shape and work with it.

Of course, the purchased blade should be modified. To do this, you need to take a file or even a circle and rough water stones (if your product is very "raw" and you still need to remove the descents) and hone the blade to the desired shape and shape, and then sand down all the irregularities with sandpaper.

The easiest way to check the quality of the product is to wipe the finished blade and breathe on it. Sweat will come off a quality blade without any irregularities, and it will lie without breaks. Moreover, it is better to carry out such an experience several times and from different sides.

What steel the knife is made of - questions for other articles, you can read the materials on our website, for example, an article.

DIY knife handle

Next, let's figure out the future handle of your knife. It is best and easiest to take a tree for her, as in the future wooden handle A self-made knife will look good, and your hand will not freeze from it. Any kind of tree will do absolutely any - especially since you are just learning.

The most simple pen for a do-it-yourself knife is made from old legs of Soviet tables, chairs, sofas or armchairs, because before the furniture was done wonderfully well. With the help of a hacksaw, we saw off the piece necessary in length, then roughly saw out the shape of the handle that we would like to see on the finished product. You also need to make a groove in the handle for the shank of your blade - for example, drill and file with files. Whether through or through this hole depends on the finished design of the knife.

Ideally, you would still need to draw a rough drawing of a knife that is made at home. You already have a blade for this and the approximate dimensions and outlines of the handle. And according to the drawn layout, it will already be easier to make a finished knife, bringing it to perfection after assembly with sandpaper.

If you already more or less know how to make a knife with your own hands, you can buy bars of stabilized wood (you get very beautiful and strong handles), or try to make a handle from type-setting birch bark or pressed leather; you can make a braided handle - there are a lot of options. Move to the next level of "knife-making", so to speak 🙂

Important details for making a knife at home

In addition to these two main parts of the knife, there are also additional elements:

The guard is a part specially designed to protect the hand of the owner of the knife. It can be made from metal or wood, or you can buy it ready-made in specialized stores. You can make a knife without a guard or a combat stop at all - such a knife is not a melee weapon.
Bolster - serves both to decorate the knife and to rid the handle of excessive stress. Can be made of wood or metal - for example, make a bolster from a coin or a soldering iron tip.
The head of the handle is the opposite of the blade; it performs such functions as: changing the balance of the finished knife, an aesthetic function (for beauty). Also, the pommel often plays the role of a nut that is screwed onto the shank (if you have one through). The top of the knife handle is made from various materials - but it is better to stick to a uniform style.

Assembling the knife

Having considered all the details of the future knife, putting everything together, preparing and processing the constituent ingredients of this "recipe" a little, you can turn directly to the knife assembly itself. To do this, you will need a few more simple things: sandpaper for finishing the handle and polishing the finished product, two types of binary glue (epoxy and "cold welding"), a hammer or mallet, paper tape (to glue - protect the blade and other polished metal parts of the assembled knife when sanding the handle and giving the homemade knife a complete shape).

First you need to dilute the epoxy and coat it with a leather gasket, which we then apply to that part of the blade that will be inside the tree - the shank. Next, "cold welding" is cut and quickly placed on the bottom of the hole drilled in the handle for the tail of the blade, where it is actually inserted.

Gently hammering the blade in with a hammer or mallet will give the knife its final look. For a while, it would be ideal to clamp the assembled knife with a clamp while the epoxy hardens. In the end, a homemade knife will only have to be sanded and decorated at your own discretion.

As more simple option you can make an overhead handle - from two plates (wooden, for example), which are attached to the blade shank on the right and left. This handle is usually attached with screws, in addition to epoxy, but usually looks simpler.

When you have given the ideal shape of the handle and are convinced of the reliability of the assembly of your homemade knife, you can start making 🙂

Given the huge choice of not only knives, but all tools, anyone will have a question - why? Why bother, rivet, hew, sharpen when you can buy a ready-made tool? But when faced with how to make a knife from a file, you will learn many interesting nuances of processing and hardening and try them in practice.

Making a knife from a file - preparation

The very process of making a knife from a file is extremely informative, because, in fact, a file is an ordinary steel blank just for such cases! And if you also find Soviet instruments that were made of homogeneous U10 carbon steel, then the result of your labors may surprise you later!

In addition to the blank file itself, you will need:

• brass rivets;
• ferric chloride for etching;
• epoxy resin;
• vice;
• magnet;
• sandpaper of different grain sizes;
• bulgarian;
• grinder;
• handle material (wood, leather, metal);
• and lots of healthy enthusiasm!

How to make a knife from a file - workpiece firing

The first thing you need to do is fire the file. The ideal option is to keep the workpiece for 4-6 hours in a burning stove or oven and let it cool down with it. But you can get by with an ordinary gas stove - but this is more a way out than a recommendation. The essence of firing is clear - let the steel be calcined at a temperature of 600-700 ° C and cool slowly. By and large, you only need to burn the part that will be the blade itself, so if you still have to use the gas stove, consider this point.

The stove gives a low temperature, so some tricks are needed, namely the construction of a heat shield. This is done much easier than it sounds - you just need to build a small hill of nuts or bolts above the file, on which a metal plate is placed. As a result, the temperature from the combustion of the gas will go into the air to a lesser extent and heat the file more.

It is very important to sprinkle the area to be heated with regular kitchen salt.This is a kind of indicator - if it melts during the process, then you succeeded, if it does not melt, then the temperature was insufficient, and you need to repeat the process. When heated under the plate, the workpiece should have an even color of the hot metal, which is important to hold for at least three to four hours.

The temperature after the main firing should be reduced gradually - first, we reduce the combustion force by a quarter, after half an hour we fasten it, and so on until it cools completely. All this is done for a reason, and you should not ignore this nuance - the sharply cooled steel will simply crumble.

Forming, quenching and tempering is an important sequence!

In the workshop, holding the workpiece in a vice, we cut and cut off unnecessary pieces, or grind on a coarse-grained abrasive disc, giving the file a completely different shape - the shape of a future knife. If the knife will be decorated with wood or other overhead plates, do not forget to drill holes for rivets in the handle or cut a groove with a grinder.

Hardening is the next step after shaping. Many admit big mistake, focusing on the degree of hardening by the glow of a heated metal, however, the real picture can only be shown by an ordinary magnet - if the hot metal does not react in any way to its presence, then the hardening is brought to the required degree. The future blade should be warmed up evenly, with the exception of the handle area; it is worth warming up only a small area of \u200b\u200b3-4 cm at the base of the blade. For this, it is best to use a burner that produces a higher temperature.

Also prepare a container of water in which you will freeze the metal. When you achieve a uniform glow of the metal, and the magnet stops reacting to it, warm up the workpiece for a few more minutes, and then suddenly dip it into water - everything is like in a movie! If the process was followed in all the subtleties, the metal will be able to scratch the glass - this is the most the best sign good hardening.

But because of the high internal pressure, hardened steel tends to break, crack and crumble during sharpening, so you need to spend a vacation - a process by which the internal stress is removed with a slight decrease in the hardness of the metal.

This is exactly what the same drills for metal do! There is absolutely nothing complicated in the process itself - you just need to put the workpiece in the oven and bake it for an hour and a half at a temperature of about 200 ° C. The workpiece should cool down together with the oven!

Finishing the blade and handle - how to get it right?

After all these manipulations, you can start finishing the blade. You can use all the available tools that are intended for grinding: sandpaper, brushes for metal, felt, vulcanite circles, etc. You should not be zealous - the etching process is still ahead. Your task is to make the blade smooth, to bring its surface into a neat look.

Before etching, you can attach the pads to the handle from the material we have outlined, or wrap the metal with a strip of leather, it's a matter of taste. In the first case, finishing should be done after etching, but leather can be wrapped at this stage. You will need at least a half meter long piece. First, run a simple winding to see how the knife will look like in this design, whether the skin is long enough, how the knife will feel in your hand. If everything suits you, unwind the handle and apply special glue for leather on the back of the leather strip, carefully wrap the handle, this time doing our best.

The wooden handle will take longer to process. The rivet holes should be filled epoxy resin, then rivet the handle and clamp in a vice until the resin has completely cooled... Two rivets are enough. Once the resin has hardened, you can shape the handle, but take your time with finishing. Etching first! If there is a radio store nearby, you can buy ferric chloride, in which the blade is etched until a gray, matte hue is obtained.

The film that forms on the blade will protect it from corrosion, so try not to remove it. If ferric chloride is too rare for you, pickling can be carried out with improvised means: vinegar, lemon juice, or even ground raw potatoes! It is very important to clean the blades of any type of contamination, as even fingerprints may appear on the blades during etching, and then you will have to clean off the oxide film and start over.

Sharpening the blade - that's the finish!

When the etching is complete, the epoxy will harden. So it's time to start finishing the handle and sharpening the blade. If the handle is wooden, it needs to be finalized, sanded and waxed. When the handle is completely ready, you can proceed to the most important stage - sharpening! It is best to do this by hand with a regular hand-held sharpening stone, as you can avoid overheating the metal. For dressing, use kitchen musat - this is the name of the round bar with notches, which often comes with kitchen knives.

A properly made knife will cut perfectly, plus everyone can sharpen it even on an ordinary stone, but even on the bottom of a mug! In addition, it will not be a pity to use such a tool in the workshop, to do all the work from which ordinary knives quickly grind and dull. It is possible that you will enjoy doing this process over and over again - in this case, you will always have a worthy gift for your friends at your fingertips!

The selection of knives in stores is quite large. Kitchen, shoe, hunting, pen - the list goes on for a very long time. But there are situations when there is no cutting object at hand, but it is desperately needed. For example, travel is always full of surprises, any thing can end up at the bottom of an abyss or lake. Or maybe you need a cutting tool for some special work? In a word, there are not so few situations when such a homemade product may be needed. What is the best knife to make? We will now talk about this, as well as about how it is best to do it in this or that case.

Where will you do it?

The need to make a cutting tool can arise anywhere:

• houses:
• in the country;
• on a hike.

Houses, as a rule, make knives for some special work, as well as gift or collection knives. If you are not doing this professionally, then you do not have special equipment yet. But on the other hand, there may be a lot of suitable ones in the tool cabinet.

A lot of useful things are likely to be found in the country. Most likely, there is almost everything there - a broken hacksaw for metal, an old file, etc. If you are left without a knife on a hike, you will have to think and look carefully around. Oddly enough, the answer to the question of how to forge and make a good knife or blade from beginning to end with your own hands may be right in front of you.

What makes a good knife?

What can a knife be made of? The material for making the knife must be hard enough and keep sharpening well. Suitable for this:

• metals;
• a rock;
• glass;
• shells of molluscs;
• animal bones;
• tree.

Metal

Metals are by no means suitable. So what metal is the best to make a knife from?

• It is unlikely that you would think of fiddling with aluminum - with such a knife you will suffer more than you can work.
• The most suitable material is steel, preferably stainless.
• The ideal option is hardened, but that's how lucky.

Important! At home you will be able to do the heat treatment yourself, while on a hike it is unlikely.

Stone, glass, shells

During the hike, you will certainly find stones that can give a sharp chip:

• obsidian;
• slate;
• quartzite.

Important! These are layered materials, and the chips are sharp enough when the layers are separated.

It is not difficult to find a suitable shard of glass in the places you visit - here you have a simple solution of what to make a knife from. On the river banks there are shells of mollusks - for example, toothless. Exfoliating, they also give sharp chips, which allows you to make a good, albeit small, blade.

In case of urgent need, even wood will do - however, a wooden knife is only suitable for small kitchen work.

Bone blade

Bone is an ancient material for making knives. Such tools are still used in many regions of our planet. To make a blade in the absence of emery, stencils and other useful things, you only need a few stones. One of them should be rough enough to sharpen the edge of the bone. The other two are needed to give the blank a more or less suitable shape.

What to make a handle from?

The handle is an important part of any tool. Convenience and safety depend on it. You can make it from different materials:

• plastic;
• wood;
• ropes;
• wire.

Plastic

At home, the ideal material for the handle of a metal or glass knife is epoxy. However, in hardware and building stores, a variety of compounds are now sold, which, when solidified, turn into beautiful and durable plastic. It is quite possible that you have something left after renovating your apartment or building a summer house.

Tree

Wooden grips are the traditional style of handle design. The handle can be shaped to any shape, it is comfortable, does not heat up and is easy to attach.

Important! Many peoples have knives with braided handles. You can braid with a cord or coated wire.

Homemade rope

It is possible that a traveler who found himself without a knife on a desert island or even just on a long hike lost his rope. There is nothing you can do, you have to get out of the situation. Rope can be made from nettle, for example. She has rather long fibers:

1. Remove the skin from the stem.
2. Collect and dry the fibers (for example, by a fire or just in the sun).
3. Remember fiber.
4. Then all that remains is to weave a rope from the "threads" - you don't need much for a knife, half a meter will be enough - the shank is braided with a ready-made rope.

What metal is better to make a knife from?

Despite the abundance suitable materials, the best knives are made of metal. This was understood in ancient times, when they learned to work with iron. And now the vast majority of cutting tools are made of steel. Suitable for a homemade knife:

• a cloth from a hacksaw for metal;
• broken saw;
• old file (preferably Soviet);

Important! The ideal option is a blade from a hacksaw for metal. This is the simplest material, which, moreover, does not need quenching and tempering.

Good DIY knife

To make a small knife with your own hands, which does not need hardening, you, in addition to a hacksaw blade, will need:

• sketch;
• marker;
• epoxy or other material for the handle;
• rivets;
• a hammer;
• emery wheel;
• center punch;
• drill.

Sketch

Any work begins with an idea. Homemade knife in this sense, it is not an exception. First you need to make a sketch. You can just draw it, but it is much easier to find a suitable picture (so that the blade is not wider than a hacksaw blade) and print on paper with a self-adhesive layer.

Important! The material used for your sketch determines how it is transferred to the blade.

Option 1:

1. Place the cutout shank blade onto the hacksaw blade.
2. Circle with a marker.
3. Grind along the contour on emery - at this stage it is not necessary to maintain extreme accuracy, the processing can be quite rough.

Option 2

In this case, the stencil is cut out, glued to the canvas, after which the workpiece is ground on emery.

Lever

The handle must be made before finishing. The workpiece should be comfortable to hold.

Plastic

The easiest option is to fill in with epoxy according to the method of application indicated on the package:

1. Let the plastic harden.
2. Process on emery.
3. Grind.

Wooden handle

The wooden handle consists of two identical plates, between which the shank is inserted. First of all, you need to cut 2 pieces of wood, exactly the same. You don't have to do the final processing yet - it is important that they just exactly match in shape.

The whole structure is supported by two rivets, for which you need to make holes:

1. Make marks on the wood and shank for rivets - when you assemble the handle, you should see through holes.
2. Drill the holes with a drill.

The rivets themselves are best made from a copper tube from the heat exchanger of an old refrigerator:

1. Cut 2 pieces of copper tube - the length is equal to the width of the intended handle (2 layers of wood + layer of metal) with a small allowance for riveting.
2. Place the pieces of wood together by placing the shank in the middle.
3. Insert the rivet so that it protrudes slightly above the holes on both sides.
4. Rivet the edges slightly with a center punch to slightly widen the ends.
5. Rivet the ends with a hammer (on a metal plate).

Wire or rope handle

If you know how to weave, it should be easy for you to make a handle out of wire (insulated), or rope. You can also use a leather cord.

Important! Any kind of weaving is suitable, making it possible to obtain a voluminous object. For example, macrame.

You can also make a temporary handle, which is extremely simple. To do this, it is enough to wrap the shank with electrical tape.

Finishing the blade

When the handle is ready, you can proceed with the final finishing and sharpening of the blade. This is done on an emery wheel. The process continues until the shape of the knife suits you.

Homemade knife with hardening

To make such a knife with your own hands, you need a file.

Important! It is best to take the old Soviet one - in cheap Chinese models, which most often break down, low-quality steel is almost always used.

Base material

The file should be 30-40 mm wide and have a rectangular or diamond-shaped section. The second option is preferable - the knife will be more durable.

Tools

Prepare the rest of the materials and tools. You need:

Do-it-yourself knife

Start work in the same way as when making a knife without hardening, that is, prepare a sketch, cut out the blade and shank. Then proceed like this:

1. Clamp the workpiece in a vise.
2. Pre-sharpen with a file.
3. Grind the surface of the workpiece with a grinder on a grinding wheel.

Hardening

An important point is hardening.

Important! This procedure is necessary because files are usually made from carbon steel, which is a rather brittle material.

We carry out work:

1. Place the workpiece in a brazier with burning coals - the coals should completely cover it.
2. Let sit for 20 minutes.
3. Remove the workpiece and let it cool completely.
4. Place the blank in the oven.
5. Preheat oven to maximum temperature.
6. Set a timer for 60 minutes.
7. After keeping the future knife in the oven for an hour, turn off the heat and let the entire system cool completely ..
8. Repeat the procedure.

Heat shield hardening

Generally the ideal tempering temperature is 700º. But it can only be achieved in the forge - neither gas stove, nor the Russian stove give such heat. However, a way out can always be found. The space above the workpiece can be heated almost to the desired level by installing a heat shield. This is just a thick metal plate larger than the file and rising 1 cm above it:

1. Place the file on a baking sheet.
2. Place a few nuts around the perimeter of the workpiece.
3. Place a thick metal sheet (such as a small cast iron skillet) over the nuts.

It is very convenient to calcine metal in an oven with a transparent door. If you see that the metal has become an even cherry color, then the process is proceeding correctly. You can carry out hardening without a stage with coals, just in the oven. But then you will need to keep it at a maximum of at least four hours. In this case, the metal must cool down at the same time as the oven, that is, the workpiece does not need to be taken out.

Important! You can use table salt as an indicator - as soon as it starts to melt, it will mean that you have reached the desired temperature.

Hardening in an oven followed by tempering

The oven is still not the most convenient device for hardening metals. This is the urban option. It is much better if you have a Russian stove. In this case, the heat shield is installed in the same way as in the previous case, but the metal can not only be hardened, but also released, which, naturally, will increase the quality of the future product.

Important! You can use a magnet as an indicator. It naturally reacts to cold steel. As it heats up, it reacts weaker and weaker, and at one point it stops doing it altogether. Then you need to take the workpiece with pliers and lower it into a bucket with cold water... And you will have a knife from the best steel you can think of. This material leaves scratches on the glass.

To prevent the blade from rusting

A good knife shouldn't rust. In order to avoid corrosion, the workpiece must be processed in ferric chloride. A matte gray film is formed.

Ferric chloride is not always available, but it can be replaced:

• vinegar;
• raw potatoes.

The blade is dipped into acetic acid, and it is simply rubbed with raw potatoes. The effect will be the same as with the treatment with ferric chloride.

Further actions

After the blade has hardened, you can start making the handle. It is done in the same way as in the previous case. In extreme cases, a temporary handle should be made so that you can safely take the workpiece without fear of injury:

1. Strip the workpiece.
2. Do the final sanding.
3. Sharpen the blade on emery.

DIY glass knife

Making cutting tools out of glass is not a very pleasant activity, but sometimes it is necessary, for example, in field conditions. You will need:

• a matching piece of window glass;
• sharpening stone;
• rope or electrical tape.

Important! Window glass, if necessary, can be replaced with bottle glass. The main thing is to have a long piece with a more or less even edge. Too protruding chips are better off immediately by placing the workpiece on a large flat stone and working with a smaller stone.

After you have a workpiece in your hands approximately suitable shape, make a handle. This is especially necessary when working with glass. You can simply wrap the shank with something. Finish sharpening on a flat, rough stone. But in any case, this tool can be used more like a scraper, although it is possible to cut - meat, vegetables, etc.

Glass knife at home

Houses can be made of glass a real masterpiece, which will both cut and decorate, for example, the kitchen. An item made of colored glass will look especially impressive:

1. Make a sketch - you can just on the sheet.
2. Place a piece of glass on the paper.
3. Cut along the contour with a glass cutter.
4. Make a handle from transparent plastic and sand.

Such a knife does not need sharpening and grinding, if you only cut it straight enough.

Now you know what is better to make a knife from in any conditions, how to do it, so in any unforeseen situation you will not be left without a cutting tool. Or perhaps, using the tips and instructions from this article, you will start creating real decorative masterpieces. And if so, we wish you creative success!

Instructions

Instructions:
To make a knife, you need a steel plate. A 5160 steel spring is perfect for this role. The main thing is not to use used material. Decide to take a spring - take it. The length of the plate depends on the length of the desired blade length for the future knife. A convenient length is 10 centimeters, but everyone decides for himself. It is important to remember that the length of the handle should be at least ¾ of the length of the blade.
Based on this, make the calculations. The blade, plus ¾ on the handle - you get the length of the knife plate and don't forget the small "seam allowance".

In addition, you will need a block of wood. The best candidate for this role is an oak tree. It will be safer to buy this part at a carpentry store. This way you can be sure that the shaft will not fall apart in your hand and will not give unexpected cracks.

You will also need a copper rod with a diameter of up to 0.5 centimeters. It will attach the shaft to the blade. Therefore, the task of his selection is so responsible.
As for the tools, in order to make a knife, you will need an electric drill, a hacksaw, a primitive rack, a saw and epoxy.

The manufacturing process is not complicated, but painstaking. But you decided to make a knife, so go ahead. Draw the outline of the knife on a steel plate with a marker. Draw wider than desired, as turning will take its toll. Then, with an electric drill, make as many holes as possible along this contour. Don't forget to drill some holes in the future handle. The width of these holes should not be much greater than the width of the copper rod, keep this in mind when choosing a drill. Use a saw to "release" the knife from the plate. This workpiece must be processed with a hacksaw and a file, remove all irregularities and smooth out the shape.

Next, screw the knife to the rack by the handle and slowly begin to make the blade for the blade. The best way to grind the blade is with a file. This is the main, longest and most important part of the job. Working on the blade can take a long time, but there is no rush. When the blade is ready, the knife hardening stage begins. The knife must be brought on fire until it is purple. Sufficiently hot metal, should not be attracted by a magnet and this is an indicator for you. After the knife has "reached" it must be dipped in oil and kept in it until the fire goes out and the smoke disappears. Then you can cool with water.

After the blade is ready, you need to proceed to the handle. It is necessary to make two wooden overlays from a wooden block. In one you need to drive in copper rods, grease the pad with epoxy resin, put on the knife handle and fix the structure with a second pad, also pre-lubricated with epoxy resin. For strong adhesion, can be placed under a press. When the knife feels ready, you should remove the ends of the copper rods and sand the cut with sandpaper.