Alpen | Drill Bit HSS Cobalt 3.1mm DIN338 RN Bulk | Toolcraft South Africa Skip to content
Toolcraft will be closed from the 24th of December 2025 and reopen on the 5th of January 2026.
Toolcraft will be closed from the 24th of December 2025 and reopen on the 5th of January 2026.
Alpen | Drill Bit HSS Cobalt 3.1mm DIN338 RN Bulk

Alpen | Drill Bit HSS Cobalt 3.1mm DIN338 RN Bulk

by Alpen
SKU ALP6130031
R 72.45
R 72.45 - R 72.45
R 72.45
R 59.00
R 59.00 - R 59.00
R 59.00

Product Description

HSS Cobalt Jobber Drill Bit

Size: 3.1 x 65/36mm

Range of application

  • 5% cobalt-alloyed jobber drills with high heat resistance for drilling steels with tensile strength over 800N/mm², especially suitable for high alloyed steels, bearing-steels, and hot/cold-rolled steel. Ideal for stainless steel

Strengths

  • Self-centering, due to a special point shape
  • Drilling even with the highest thermal stress up to 600°
  • Fast, due to special drill grinding fast drilling progress, and up to 50% less feed pressure required
  • Tensile strength over 800N/mm²
  • Especially suitable for high alloyed steels, bearing-steels, hot/cold-rolled steel
  • Ideal for stainless steel
  • High heat-resistance
  • Highly accurate centering