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#21 (.159) Extension Drill Bit Cobalt 6 Long

#21 (.159) Extension Drill Bit Cobalt 6 Long

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Part numbers : RX1-12-04332 , #21COX6 , 12-04332
Unit of Measure: EA

5.04 EUR / EA 5.04 EUR 5.04 € excl. VAT

5.04 EUR / EA excl. VAT

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Availability
Up to 46 EA ready to ship on Monday 2026-08-24
Order before 17:00 CET on Friday 2026-08-21
31 EA available on request, fees apply
Special order from vendor stock.

The #21COX6 is a cobalt extension drill bit for drilling in confined or difficult-to-reach areas. It has a #21 drill size with a 4.04 mm diameter and an overall length of 152 mm.

  • Manufacturer part number: #21COX6
  • Drill size: #21
  • Drill diameter: 4.04 mm (0.159 in)
  • Overall length: 152 mm (6 in)
  • Cobalt drill construction for hard, tough and high-tensile-strength materials
  • NAS 965 Type D construction
  • Threaded square shank with 1/4-28 UNF Class 2A thread
  • Steam-oxide surface treatment

Suitable for maintenance and workshop drilling tasks where extended reach and an adaptor-style threaded shank are required. Supplied as one piece.

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