General description The 5pcs Countersink Drill Bit Set is designed for woodworking and carpentry, featuring five high-speed steel (HSS) tapered drill bits that cater to various drilling needs. The set includes popular sizes: 3/16Inchx1/2Inch, 1/8Inchx3/8Inch, 11/64Inchx1/2Inch, 5/32Inchx3/8Inch, and 9/64Inchx3/8Inch. The quick-release hex shank allows for easy attachment and detachment, streamlining the drilling and screwdriving process. Technical specifications Material: Metal Sizes included: 3/16Inchx1/2Inch, 1/8Inchx3/8Inch, 11/64Inchx1/2Inch, 5/32Inchx3/8Inch, 9/64Inchx3/8Inch Depth adjustment: Yes Measurement allowed error: +/- 1-3cm Compatibility and accessories Universal compatibility with most drills Includes a plastic collar to reduce marring Installation Easy to attach and detach with the quick-release hex shank Usage Suitable for various woodworking tasks Can be used on hardwood (oak), pine, MDF, natural woods, chipboard, man-made boards, plywood, and various wood boards