6pcs 3 Flute 90 Degree HSS Metals Titanium Three Edge Chamfer Chamfering Drill Bit Set Countersink Drilling Mill Drill

Description Model Number: 3 flute 90 degree HSS Metals Titanium Drill Bit set Type: Core Drill Bit Material: High Speed Steel Use: Metal,Stainless steel, die steel, iron, copper, aluminum Round hole chamfering and deburring, tapered surface machining DIY Supplies: also Woodworking Specification : 6.3mm/ 8.3mm /10.4mm / 12.4mm / 16.5mm / 20.5mm Head Diameter x Shank Diameter x Length 6.3MM : 6.3mm x 5mm x 37mm 8.3MM : 8.3mm x 6mm x 40mm 10.4MM : 10.4mm x 6mm x 39mm 12.4MM : 12.4mm x 10mm x 46mm 16.5MM : 16.5mm x 10mm x 47mm 20.5MM : 20.mm x 10mm x 47mm Package includes : 1 x 6 pcs Chamfer Cutter Mill Drill Note: Small parts not for children under 3 years. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.