Reduced Shank

Reduced Shank

The straight shank is the most common shank on drill bits. The whole of the drill bit, shaft and shank, is usually of the same diameter. Drill bits can have straight shanks narrower than the drill diameter so that they can be fitted in chucks not able to chuck the full diameter. These narrower shanks are referred to as reduced shank drill bits. The most common type of reduced shank drill bits are Silver & Deming bits with 1/2” reduced shanks. KnKut reduced shank drill bits are available in 1/4” reduced hex shanks, 3/8” reduced shanks and 1/2”.

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