This is HSS step drill, which is constructed from high quality HSS steel, as well as covered with the titanium to decrease rubbing and warmth. It is extremely ideal for use to cut holes in a variety of products such as steel, brass, wood, plastic, etc. Amount: 3 computers (4-12mm, 4-20mm, 4-32mm).
4-12 mm Length: 6.9 cm/ 2.64 ".
4-20 mm Length: 7.3 cm/ 2.91 ".
4-32 mm Length: 10.3 centimeters/ 4.02 ".
4-12mm (4mm, 6mm, 8mm, 10mm, 12mm).
4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm).
4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm).
3 x HSS action drill.