Irwin 1882630 Wood Countersink Drill Bit, #4 x 7/64" Faucet Handles / Adapters No predrilling with cellular PVC

No predrilling with cellular PVC decking or trim like Azek or Trex Escapes

Includes gasket and screws

Catch basin contains 2 openings

seat depth: 17 5/16"

Designed for use with right angle grinders

Irwin 1882630 Wood Countersink Drill Bit, #4 x 7/64" Faucet Handles / Adapters No predrilling with cellular PVC1 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 # : 4 Tapered drill with widened flutes for drilling fast, clean pilot holes Adjustable four cutter counterbore cuts and clears chips quicker for fast, smooth