ITEM NAME:4pcs HSS Countersink Drill Bit 3-4.5mm +1pcs Quick Change Hex Shank Screw 6#-16# Product Description: Name: Conical wood countersunk head drill / tapered countersunk drill. Handle: 1/4 hex shank. Material: The drill material is HSS4241, and the black chamfer is made of 45# steel. specification: Chamferer Corresponding drill size 6# 3mm 10# 3.5mm 13# 4mm 16# 4.5mm Function: You can drill the screw hole and the counterbore that accommodates the screw cap at the same time and keep the two on the same axis. After screwing the screw, the screw cap is below the plane of the board! Suitable for drilling machines with collets or joints for drilling holes in hard wood and wood. In order to meet the needs of the parents, to avoid unnecessary waste after the damage of the drill bit, the special drill bit is introduced, and the small wrench is provided for easy disassembly and installation. You can purchase it according to your needs! Packing: plastic bag . Package Include: According to your Choose!.After screwing the screw, the screw cap is below the plane of the board! Material: The drill material is HSS4241, and the black chamfer is made of 45# steel. Handle: 1/4 hex shank. Chamferer Corresponding drill size.
