6Pcs Countersink Drill Bit Set 1/4'' Hex Shank HSS Pilot Screw Holes Woodworking Brand New and High Quality Constructed with high-speed steel and coated with super-hard titanium that can withstand high heat and super durable. All bits have a 90 angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness. Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings. 1/4? hex shank countersinks are fine for a quick drill. They don’t slip in drill chucks. Specification: Material: High Speed Steels Finish: Titanium coated Number of flute: 5-Flute Size:6mm,8mm,12mm,16mm,19mm Quantity: 1Set(6 Drills) Length:48mm/1.88'' Shank Type: Hex Package Includes: 1x 6mm Countersink Bit 1x 8mm Countersink Bit 1x 9mm Countersink Bit 1x 12mm Countersink Bit 1x 16mm Countersink Bit 1x 19mm Countersink Bit Listing and template services provided by inkFrog