Used to extend threaded drill bits, pilot cutters, or any other cutter with a 1/4-28 thread. Has a 1/4" Hex Drive on the shank end to fit a drill or screwdriver, and a 1/4-28 internal (female) thread at the other. 7" extension length. 1 lbs (0.5Kg) shipping weight.
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#40 Diameter, 1/4-28 thread. The unique "high-hook" design of these countersink cutters allows smooth, easy cuts with virtually no chatter. Body diameter is 1/2. They will fit into a stop countersink or they can be used directly with an angle drill. Suita