KingBra 6pcs HSS Countersink Drill Bit Set, Adjustable 1/4inch Hex Shank Counter Sink Drill Bits Set for Quick Change, Wood, Accessories for Drill Drivers, 90 Degree Center Punch Tool
- 1.[PERFECT SIZED HOLE:] for #5, #6, #8, #10, or #12 screws. #5-#12 Countersink Drill Bit Set
- 2.[PREMIUM QUALITY: ] Made of HSS Drill 4241, Special designed steel counter sleeve countersinks or counter bores pilot hole, Durable & Long service life.
- 3.[PROFESSIONAL DESIGN:] Standard 1/4 inch hex shank, adjustable counter sleeve depth with wrench,Perfect Helper Center Punch, Marks workpiece with a dimple to prevent screws and drills from wandering.