High Speed Steel Twist Drill Bit, 9.4mm Fully Ground Black Oxide 125mm Long 4Pcs Right Side Bits are pressed directly into

Bits are pressed directly into the socket to make a permanent connection

Made of good quality plastic and metal

Probe Size: 3mmx200mm (D*L)

Dimension:10 x 10 x 250mm / 0

The brass tubes can be processed

High Speed Steel Twist Drill Bit, 9.4mm Fully Ground Black Oxide 125mm Long 4Pcs Right Side Bits are pressed directly intoDescription: 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