- Werko HSS jobber precise drill
- General-purpose drill
- To drill steels with tensile strength up to 1.000 N/mm2
- DIN338
- High heat resistance to drill non alloyed steels with strength over 800N/nn2
- Twist drills with straight shank
- Ground centering
- Tolerance H122
- Size - 12.3mm
- Cast steel, grey cast iron, malleable cast iron, nickel brass and graphite
