FESTA TiN step drill set 4-12/4-20/4-32mm
- step drill set made of quality HSS steel DIN 1412C with TiN coating
- TiN layer increases the durability and service life of the drill
- for drilling alloys and steel sheets up to 4 mm thick, plastic and wood, wide grooves easily remove the drilled material
- 4 - 12 / 4 - 20 and 4 - 32 mm, diameters are marked on the drill bit