High Speed Steel Twist Drill Bit, 8.2mm Fully Ground Black Oxide 115mm Long 4Pcs 7.9 Inch 6L V6 2010-2014

6L V6 2010-2014

Major components are made of aluminium alloy

Drill Bit Length: 37mm / 1

Overall Size: 50x66mm / 1

High Speed Steel Twist Drill Bit, 8.2mm Fully Ground Black Oxide 115mm Long 4Pcs 7.9 Inch 6L V6 2010-2014Description: 1. Made of high speed steel, with great toughness and hardness, not easy to break, easy chip removal, the drill quenching treatment, improve the hardness of use. Surface black oxide treatment, not easy to rust. 2. This twist drill is proper for electric drill, hand electric drill and impact electric drill. Suitable for Stainless steel, iron, copper, aluminum alloys, wood, plastic drilling and carving. 3. Spiral flute design for quick