Inton 1/4" Hex Replacement Twist Step Drill Bit with Depth Stop Collar 6.5" Length for Manual Pocket Hole Guide Jig Master System (1/4" Hex 3/8" with Collar)

Description

The diameter:3/8(9.5mm),the shank is 1/4 hex;Large diameter creates flat-bottomed hole,very sharp;Drill guide for pocket holes;Small tip includes clearance hole for screw shank;Recommended for use with corded high-rpm drills