Newdeli 9pcs Wood Countersink Drill Bit Set 1/4" Quick Change Shank - 5Pc Adjustable Countersink Bit #8(11/64") - 2 Extra 11/64 Tapered Drill Bits - 1 Adjust Collar - 1 Wrench, Pilot Screw Hole Set

Key features

• Countersink Drill Bit Sst：Countersink for Woodworking - Included 5 Pieces all same size #8 Cutters (for up to 3/8" or 10mm screws head), 2 Extra 11/64 Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar and 1 Hex Wrench. Counter-bore, and wood plugs size 3/8".
• High Quality Material：The counterbore drill bit is made of high-speed steel, with high hardness, wear-resisting, not easy to break, not easy to rust, and provides excellent cutting ability. The chamfering device is made of high carbon steel, strong and reliable.
• Conical Design：Sharp taper twist bit charmer 82 degrees, cutting faster, can quickly and cleanly drill smooth holes. And to ensure a close fit with the screw, it is easier to locate the hole and the drill bit. Even after repeated use, the countersink bits remain sharp and work effortlessly.
• Adjustable：Best adjustable wood countersink drill bits set ideal for woodworking. The high-quality countersunk hole is fixed on the plane of the handle by the hexagon socket screw to prevent loosening to ensure a firm fit, and can be adjusted to control the depth of the guide hole.
• Wide Range of Applications：Countersink drill bits are suitable for bench drills, hand drills and conventional electric drills. Compatible with all 1/4 inch quick change chucks, including impact drills Wood countersink bit with wider flute shape for increased chip flow. Bits secured with pin Never Come Loose from shank.

Free shipping included. 30-day hassle-free returns.