Description: 9.5mm Twist Step Drill Bit With Depth Stop Collar for Kreg Pocket Hole Jig Kit   Specification: The shank size: 3\/8!#!amp!*!quot;(9.5mm) Total Length: 6.29!#!amp!*!quot; (160mm)   Features: - Drill bit for use with pocket hole joinery. - Small tip includes clearance hole for screw shank. - Large diameter creates flat-bottomed hole. - Recommended for use with corded high-rpm drills.   How to use: 1. Adjust the height of the drill bit. 2.Clip board which you want to drill. 3. Put the drill into the hole in the wood. 4. Drill up 5 mm (remember not against the wood to drill). 5. Start the drill reaches a certain speed above 500 rpm、 1500 rpm is the best. 6. advanced to slow down、 such as front-end fine drill in half or full、 then can speed up.   Package Included: 1pc x Twist Step Drill Bit 1pc x Wrench 1pc x 9.5mm (3\/8!#!amp!*!quot;) Stop Collar   More Details: