High Speed Steel Twist Drill Bit, 4.2mm Fully Ground Black Oxide 75mm Long 10Pcs 2.5"OD-Straight-30" 5mm x 3mm (L*W)

5mm x 3mm (L*W)

M3 x 10mm hex socket head cap and 304 stainless steel material

8inch(H x D)

for Chevrolet Malibu 2004

57" (spherical diameter is about 1mm-1

High Speed Steel Twist Drill Bit, 4.2mm Fully Ground Black Oxide 75mm Long 10Pcs 2.5"OD-Straight-30" 5mm x 3mm (L*W)Description: 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