[Drill diameter 6mm x chamfering blade diameter 12.4mm Shaft Type: Hex Shaft]

[Drill diameter 8mm x chamfering blade diameter 16.5mm Shaft Type: Hex Shaft]

[Drill diameter 3mm x chamfering blade diameter 6.3mm Shaft Type: Hex Shaft]

[Drill diameter 5mm x chamfering blade diameter 10.4mm Shaft Type: Hex Shaft]

[Drill diameter 4mm x chamfering blade diameter 8.3mm Shaft Type: Hex Shaft]

You can use this single bottle without having to replace the "bottom drilling" and "countersunking" drilling. For drilling, deburring and chamfering countersunk screws. Countersunk finish allows countersunk head to fit neatly HSS-Co (Cobalt High Speed Steel) for durability Applicable materials: stainless steel, iron and non-ferrous metal. Axis Type: 6.35 Hex Shaft A collaboration between GranGear and Star M. Material: Cobalt High Speed Steel (HSS-Co) Compatible electric motors: impact driver, drill driver, electric drill, drill machine. Appropriate Rotation: <2000 rpm Size: Drill Diameter 0.2 inches (4 mm) x Chamfer Blade Diameter 0.3 inches (8.3 mm) x Total Length 2.2 inches (Drill edge angle 118° / Chamfer angle 90°