HSS-Co Premium step drill

This metal drill has a centering point for more precision. The drill is ground cut. The diameters are indicated on the drill. The drill has an unique flute for perfect removal of the drilling dust for excellent results. The metal drill is made of cobalt and increases drill hardness and high temperature resistance.

Suitable for the following materials:

Suitable for the following materials:

Characteristics

Cylindrical shank
This shank fits every drill head, so the drill head doesn’t need to be changed everytime.

HSS-G Premium

code Ø1 Ø2
mm mm L1 mm
Size 1: 9 diameters (4 – 5 – 6 – 7 – 8 – 9 – 10 – 11 – 12)
SR 22400210 5420000054042 4 ➞ 12 6 65
Size 2a: 8 diameters (6 – 8 – 10 – 12 – 14 – 16 – 18 – 20)
SR 22400235 5420000054059 6 ➞ 20 9 75
Size 3a: 13 diameters (6 – 8 – 10 – 12 – 14 – 16 – 18 – 20 – 22 – 24 – 26 – 28 – 30)
SR 22400244 5420000054066 6 ➞ 30 10 100
Size 5h: 8 diameters (7 – 12,5 – 15,2 – 18,6 – 20,4 – 22,5 – 28,3 – 37)
SR 22400258 5420000054073 7 ➞ 37 10 100
RACING