Drill Bit Specifications - Thomasnet
2021-7-2 · As the options for drill bits for a given application can be daunting, it is helpful to look into the different bit specifications and configurations before choosing the proper bit for the job. Types of Drill Bits. Twist Bit: The oldest type of bit, the twist bit was invented in 1863 by Steven Morse. Its name is descriptive, as the bit is simply a long cylinder of metal with grooves on opposite sides which has …
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