Irwin 1882784 Wood Countersink Drill Bit, #12 x 7/32" Metal Flex (1100) 8 x 1" joist

(1100) 8 x 1" joist screws

Permabond head to handle construction

bathroom fixtures

High-impact resistant lenses

Length: 2-3/8 inch

Irwin 1882784 Wood Countersink Drill Bit, #12 x 7/32" Metal Flex (1100) 8 x 1" joist1 4" quick change shank reduces slipping in standard chucks and is compatible with all 1 4" quick change chucks, including impact drills. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Highlights: Bit # : 12 4 cutter head Tapered drill with widened flutes for drilling fast, clean pilot holes Adjustable four cutter counterbore cuts and clears chips quicker for fast,