Irwin 1882793 Countersink Bit Set, Specifications: 1/4 in Shank, HSS, Contains: #6, #8, #10 Countersinks

Irwin Countersink Bit Set, Specifications: 1/ Shank, HSS, Includes: ,
☑ Fits in standard tool box
☑ Precise 135° split point option
⇒ Maintain Your Hardware Performance

Tapered drill with widened flutes for drilling instant, sterilize pilot holes. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth counter sinking. Counterbore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. 1/4 in quick change shank reduces slipping in standard chucks and is compatible with all 1/4 in quick change chucks, including impact drills. Set includes (1) modest depth stop, (1) #6, (1) #8 and (1)#10 bit.