4,2mm Cobalt-alloyed jobber drill DIN338
- Manufacturer: TJR
- Product Code: 10601042
- Availability: 458
5% cobalt-alloyed jobber drills with high heat
resistance for drilling steels with tensile strength
over 800 N/mm², specially suitable for high alloyed
steels, bearing-steels, hot/cold-rolled steels
Diameter Φ=4,20mm
Overall length L1=75mm
Cutting length L2=43mm