Materials selection and production of Lock Picking Tools

A single hook is best made with a band saw hacksaw blade used in factory sawing steel. It's high speed steel. The saw blades used by woodworkers are softer than those used in factories to cut steel, making them bad tools. There are several sizes of saw strip steel, one is 0.8 mm, one is 0.9 mm, one is 1 mm, and one is 1.1 mm thick. If you do ordinary single hook, use 0.7, 0.8 mm thickness of band saw steel to make. To make a click bar single hook, use 1 mm band saw steel to make. If it is to make open ball door lock and triple safety lock S shape of the keyhole, it is best to use the old big wall clock spring to make, its thickness is 0.4 mm. This single - hook - open S - shaped keyhole is very useful, flexible and thin. You can turn along the keyhole and dial the bead.
 

There are steel wire can do hooks, such as bicycle spoke, pull wire pole, wire rope in the wire, there is information to introduce the use of 12 thick steel wire, in fact, it does not matter, as long as the front end with a hand hammer beat flat to the appropriate degree can be used. Some people think that the best material for hooks, with large crochet, soft and hard moderate, if the use of imported crochet will be better. Used crochets are sometimes found in waste cotton silk used in factories. They can be bought in knitting machinery stores. Crochet hooks are 2.5mm wide and 1mm thick.
 

They are made of band saw steel 1 or 1.1 mm thick. First cut a certain width shape, leave some room, narrow with a coarse grinding wheel, while hot, immediately put on the table to bend. Do not give it to cool after bending, so easy to break. If it's not hot enough, use a spitfire lighter, heat it up and then bend it. 
 

These materials can be found at garage sales selling hardware and machinery, and old band saws are not expensive. After the tool is done, you can wrap the handle of the tool with the heat shrink tube, and then bake it with the fire, so that you can wrap the handle of the tool, and do not slip the hand, do not cut the hand, beautiful and practical. Heat shrinkable tubes can be bought in places that sell electrical and mechanical wires.
 

Aircraft pieces open padlock small aircraft pieces and open ordinary motorcycle anti-theft fork lock, car steering wheel lock large aircraft pieces, the material is used to scrape the wall, scraping putty blade, in the hardware market to sell 1 yuan 1 piece, its thickness is 0.25 mm. One piece can be made into a small plane piece 8, the large plane piece can be made into 4.
 

The material can also be made into magic quick-opening inserts and pull-hooks for doors.
 

In the production of aircraft pieces, first with scissors to cut iron sheet shape, grinding with a grinder, and then after filing with assorted files, put a piece of hard wood, ground the aircraft pieces on the above, and then put a screwdriver or round iron bar, hammer hammer iron bar, knock it into the arc to make. It's also easy to make.
 

Production method

Some materials on hooks provide that the handle length of the hook is 84mm and the front length of the hook is 37mm. We can refer to these size data when making the hook, but do not stick to these sizes. We can make it according to the actual situation and our own habits. The data does not provide the thickness and size of the hook. Personally, I think the front end of the hook should not be too thin and long, and should be as short and thick as possible if the keyhole permits. In particular, the root of the hook should be thick and gradually thinner from the root to the front end of the hook, so that the hook can be durable and be used effectively. My hook experience is 1mm thick at the root and 0.8mm thick at the tip. Some hooks for keyholes or very small locks may need to be thinner than this. The hook end may be flat if the maneuver is point-based, and the hook end may be the tip of a mountain if the maneuver is pull-based. A hook with a sharp peak is easier to thread into a keyhole. There are also hooks of other shapes, such as rounded and multi-headed or multi-toothed. These seem to be habits and techniques are not very big, as long as the front end of the convex tools are available. I think the Angle of the hook should be the same as the Angle of the key tooth, so that the hook can enter and exit the keyhole. If you force out a data point, it should be within the range of 135° ~ 145°. We also do not stick to this Angle or what tools to measure a measure, can be tested and accustomed to make suitable for their own use of hooks. I think the hook Angle is more suitable for pulling in the keyhole, the hook Angle is small to pry the strength, if the Angle is too small to open the hook lock, such as hard pull will be broken film bolt.

 

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