Alpen | Drill Bit HSS Cobalt 4.0mm DIN338 RN Bulk | Toolcraft South Africa Skip to content
Live: The Metabo x Hikoki June Deals - Valid 1 - 31 June 2026
Live: The Metabo x Hikoki June Deals - Valid 1 - 31 June 2026
Alpen | Drill Bit HSS Cobalt 4.0mm DIN338 RN Bulk

Alpen | Drill Bit HSS Cobalt 4.0mm DIN338 RN Bulk

by Alpen
SKU ALP6130040
R 71.76
R 71.76 - R 71.76
R 71.76
R 57.00
R 57.00 - R 57.00
R 57.00

Product Description

HSS Cobalt Jobber Drill Bit

Size: 4.0 x 75/43mm

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