5pc Woodworking Tapper Hexagon Shank Screw Countersunk Drill Bit Taper Drill Hole Drilling and Reaming Hardware Tool Set

Label: Yes Manufacture Country: China

Model Number : Countersunk drill DIY Supplies : Woodworking Material : High Speed Steel Type : Other Use : Wood Drilling Length : 56-69mm Handle: 1/4 hexagonal handle (6.35mm) Material: the drill bit is made of high speed steel 4241 (applicable to workpieces with hardness below 25HRC, such as carbon steel, thin iron plate, insulating plate, PVC plate, wood plate, etc.) The black chamfer is made of carbon steel Countersunk drill specification                    Corresponding front bit diameter

5#                                                                      1.98mm

6#                                                                      2.38mm

8#                                                                      2.78mm

10#                                                                     3.175mm

12#                                                                     3.56mm Function: It can drill the screw hole and the counterbore to accommodate the screw cap at the same time and keep them on the same axis. After screwing in the screw, the screw cap is located below the board plane! Suitable for drilling machines with collets or joints, suitable for drilling on hard wood and wood layers.