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

Technical Details

Size (LWH): 1.75 inches, 8.75 inches, 9.5 inches
Product Details
Product Dimensions: 1.75 x 8.75 x 9.5 inches
Package Dimensions: 9.5 x 8.7 x 1.3 inches
Shipping Weight: 1.1 pounds (View shipping rates and policies)
ASIN : B00LLGRKWI