Our 3PC Countersink Bit Set features #6, #8 and #10 Countersinks. The bits pre-drill and countersink. The 1/4" Quick Change Hex Shanks allow for quick size changes. The drill bit length is adjustable to allow for precise depth control.
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1/8" Hex for adjusting drill bit length 1/4" Quick Change Hex Shank Designed for use in Drill Drivers
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