Alpen | Drill Bit HSS Cobalt 4.9mm DIN338 RN Bulk | Toolcraft South Africa Skip to content
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Alpen | Drill Bit HSS Cobalt 4.9mm DIN338 RN Bulk

Alpen | Drill Bit HSS Cobalt 4.9mm DIN338 RN Bulk

by Alpen
SKU ALP6130049
R 100.51
R 100.51 - R 100.51
R 100.51
R 80.00
R 80.00 - R 80.00
R 80.00

Product Description

HSS Cobalt Jobber Drill Bit

Size: 4.9 x 86/52mm

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