HOHXEN 4pcs HSS Hex Shank Tapered and Hardened Countersink Drill Cone Bit Set Woodworking Tools with Small Wrench

Specification: Material: HSS drill 4241 Black chamfer drill body material: steel 45 Color: as picture shows Size (the corresponding bit size): #6: 3mm #10: 3.5mm #13: 4mm #16: 4.5mm Shank: 2.5mm diameter hex shank Features: 100% brand new and high quality,sharp and durable. 4pcs set includes bits for drilling pilot holes for screw sizes #6 #10 #13 #16 Including a mini hex wrench. It can drill the screw holes and keep on the same axis, after screw in screw, nut below the board. Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor,machine screw for wood screw. Function: can drill the screw holes and keep on the same axis, after screw in screw nut below the board! Note: -Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. -Size for manual measurement, there may be a 0 to 3 mm error, belongs to the normal phenomenon. -The item is sharp enough,please get away from children. -Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Package Included: 4pcs x drill bits 1pc x hex shank