ALPEN 4,2mm Cobalt Drill Bit

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ALP901042 Alpen 4.2mm Cobalt Drill Bit

ALPEN 4,2mm Cobalt Drill Bit

Original price was: R88.00.Current price is: R84.00.

The 4,2mm Alpen Cobalt Drill Bit is ideal for drilling holes in handle scales of folding knives.

Use with the counterbores also available on this website.

5 in stock

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SKU: ALP901042 Categories: ,

Description

5% cobalt-alloyed high-efficiency drills with reinforced web. Especially suitable for drilling stainless steel, acid-resisting steel, spring-steel. Best for hand held operations.

For drilling into:

  • Structural steels < 400 N/mm²
  • Free cutting steels < 850 N/mm²
  • Unalloyed heat treatable steels < 1.100 N/mm²
  • Alloyed heat treatable steels < 1.300 N/mm²
  • Stainless steels
  • Titanium and titanium alloys
  • Copper, brass, aluminium
  • Grey cast iron, malleable cast iron
  • Plastics

Specifications

Specifications
Description Qty Sample
Quantity in box 10 3,8 mm Ø Cobalt stub drill bits in BULK
Type HSS Cobalt PZ
Standard DIN 1897
Drilling depth 3 x d
Point angle 130°
Point grind Split point
Drill diameter 4,2 mm
Surface Bright
Drill material HSS-ECo
Length of twist 22 mm
Total length 55 mm

Additional information

Weight 0.01 kg

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