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What are rethreaders made of?

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High speed steel

high speed steel balls Rethreader shanks are usually made from high speed steel.
hot rethreader High-speed steel is extra hard and will not lose this hardness with temperature changes.
steel man running fast It is called high-speed steel because it is capable of maintaining its shape and working at high speeds.
hard threads high-speed steel It is important for the threads to be hard so that they will not deform, but are also capable of altering the damaged threads.

Plastic

rethreader handles, plastic and rubber Rethreader handles are typically made from plastic. Plastic is strong and hardwearing, but has a smooth feel to it, which makes it more pleasing to hold and use. Sometimes, a rubber grip is added to the handle for extra comfort and security.