Take Care When Using A Tap And Die Set

You would use a tap and die to cut threads with the tap resembling a bolt and the die looking like a nut. These are actually sold in sets despite the fact they are a single tool. The whole purpose of this implement is to bore threads in metal. This means they must have hard cutting edges and also be durable. As a consequence, they are made from high speed steel. You take the tap and screw it into a hole before threading it. The die is used to create threads in smooth shafts. A tap and die is usually used when an existing thread has been damaged and is in need of repair.

One of the major problems with taps is the fact that they are often fairly brittle. This is due to the fact that the hard cutting edge is created using a specific heat treatment. While does make them ideal for cutting threads, it can make some taps less than durable. Therefore, it is possible to break the tap during repair if you force it too much. When this happens, removal is difficult because the tap is so hard. This means even drilling it out is not a guarantee. That being said, if the tap is used properly without excess twisting and turning it should be fine.

As the tap and die is a commonly used item, the tap is accompanied by a 'T' handle which enables the user to turn it comfortably without bending it. Most breakages occur when someone attempts to turn the tap with a different tool. Just like when using a metal hole saw, it is important to create the correct size hole so that the tap will be able to thread easily. Too big a hole means the tap will not be able to do its job, too small a hole would likely result in the tap breaking as it is forced in. with the right size hole inserted, turn the tap using the handle provided. This will cause strips of metal to come loose so turn the tap backwards to break these errant strips up. If you are threading deep holes, it may be best to take the tap out entirely every so often and remove the metal strips before proceeding.

When you are looking to repair damaged threads on a bolt, choose the die that best fits the bolt. Lubricate the bolt with some oil before using the die. As you go down the bolt, you may feel it getting tighter. If it gets to the point where it cannot be pushed any further, bring the die back up and try again. If you want to make threads on a smooth shaft, simply use a die that is smaller than the shaft and move it down.

Next time you need to fix or cut threads, be sure to utilize your trusty tap and die set. Neither implement is difficult to use as long as you are careful. Always pull both tools back if you feel resistance and never force the issue as this will lead to breakages.

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