- Combination countersink and/or counter bore for standard wood plugs.
- Standard hex shank - fits all power bit quick change chucks
- Alloy steel & thru hardened with a 82 degree angle
- Drill bits are adjustable for different length screws
Combination countersink and/or counter bore for standard wood plugs. The counter bore size is 3/8" for use on hard or soft wood using a 6 screw on hard wood or 8 screw on soft wood. Standard hex shank fits all power bit quick change chucks. Alloy steel & thru hardened for long life - can be resharpened. Your drill will not slip when using large 1/4" socket head screws. Two flute construction for fast & clean chip removal. Made in USA by Snappy.