Industrial Cobalt HSS-E Drill Bit (4.2 mm)

Industrial Cobalt HSS-E Drill Bit (4.2 mm)

  • Suitable for portable or stationary drilling of high alloy content steels and metals with a tensile strength up to 1100N/mm²
  • The 'no-walk' tip allows for easier penetration of all surfaces (5mm and above).
  • Cleaner, more accurate, burr-free holes due to recessed cutting wings
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EXTREME Cobalt metal drill bits, deliver superior drilling into metal. Featuring a non slip shank, a no-walk tip for curved surfaces and a strong central core.

Additional Features

  • No slip shank; spin proof three sided shaft for optimal grip in drill chuck
  • Unique tip improves efficiency and eliminates walking


  • For repetitive drilling in all types of metal, particularly stainless steel


Diameter [Metric]
4.2 mm
Head Type
Product Length
11.5 in
Product Width
4 in
Product Height
2 in
Application Material
Number of Pieces
Diameter [Imperial]
6 1/2 in
Product Length
75 cm
Product Weight
0.076 lbs


No Limited Warranty

We’re confident of the quality of our products and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

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We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

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