Amana Tool - 55225 Carbide Tipped 82 Countersink With Adjustable Depth Stop , Features an adjustable, heavy-duty, revolving depth-stop with a strong Thrust ball bearing for Quick and easy adjustment of the countersink depth without scratching or burning surfaces. It also has an open space to allow for chip evacuation. The user friendly design enables control of the drill length and its replacement, without the need to disassemble the depth-stop. Enables users to drill a pilot hole and tapered Countersink in one step. The adjustable depth-stop and independent stop Collar prevent marking of the workpiece and perfect Countersink depth control, #55225, (A) angle 49, (B) Cutting height 3/64-3/8, (D) diameter 3/8, (D) shank 1/4, overall length (L) 2-5/8, drill DIN 338, wood screw size 4, D1 3/32, replacement drill 630-222, replacement Countersink 55271, use with plug Cutter (optional) 55220, 55225 carbide Tipped 82 degree Countersink with adjustable depth stop and no-thrust ball bearing 3/8 dia x 3/32 drill DIA x 1/4 inch quick release hex shank (A) angle 49 (B) Cutting height 3/64-3/8 (D) diameter 3/8 (D) shank 1/4 Overall length (L) 2-5/8