Round shank 6pcs 3 Flute 90 Degree HSS Chamfer Chamfering Cutter End Mill Tool Countersink Drill Bit Set 6.3-20.5MM

Flutes: Three edge chamfering Material: HSS Quantity: 6pcs Shank: Round handle Sizes: 6.3mm/ 8.3mm /10.4mm / 12.4mm / 16.5mm / 20.5mm Specification: head diameter * shank diameter * length 6.3MM: 6.3mm*5mm*37mm 8.3MM: 8.3mm*6mm*40mm 10.4MM: 10.4mm*6mm*39mm 12.4MM: 12.4mm*10mm*46mm 16.5MM: 16.5mm*10mm*47mm 20.5MM: 20.mm*10mm*47mm