3/8" Cutting Dia. 11/64" Hole Countersink W/Taper Drill & Quick Change

• Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
• Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
• Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
• 1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
• Adjustable stop collar attaches to counter bore with two hex screws for a secure fit and can be adjusted for desired counter bore depth
• Both the Countersink bits & the collars have hex nuts for easy adjusting tightening & accurate positioning.

Specifications:

• Cutting Diameter: 3/8-Inch
• Drill Hole Size: 11/64-Inch
• Adapter Shank: Quick-Change 1/4" Hex Shank Adapter