Manufactured from high speed steel for increased durability and cutting power.
Titanium coated to reduce friction and heat.
2mm step increments.
Compared with the ordinary twist drill, is not easy to be broken.
Specially designed for precision drilling of holes in aluminium, brass, copper, plastic, steel and wood.
Material: High-speed steel
Size: 4-22mm (6,8,10,12,14,16,18,22mm)
Shank Size: 25 * 6mm / 0.98 * 0.24in
Total Length: 75mm / 2.95in
Package Weight: 50g / 1.76ounces
Package Size: 80 * 30 * 30mm / 3.15 * 1.18 * 1.18in
1 * Step Cone Drill Bit