Details

---

HSS Cobalt Jobber Drills


● Made of quality HSS M35
● Fully ground flute, high precision, strong self centering ability
● Excellent cutting hardness, wear resistant and toughness under high temperature
● Quenching hardness up to HRC66-67, higher than M2 material
● Use with hand power drills, bench presses and pillar drills etc. Suitable for the materials such as stainless steel, heat-resistant steel and titanium etc.
● Manufactured to German standard DIN338