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#19 (.166) Extension Drill Bit Cobalt 6 Long

https://www.roctexo.com/web/image/product.template/81276/image_1920?unique=fe28352
Part numbers : RX1-12-04334 , 19COX6 , 12-04334
Unit of Measure: EA

5.49 EUR / EA 5.49 EUR 5.49 € excl. VAT

5.49 EUR / EA excl. VAT

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Availability
Up to 6 EA ready to ship on Thursday 2026-09-03
Order before 16:00 CET on Tuesday 2026-09-01
13 EA available on request, fees apply
Special order from vendor stock.

Manufacturer part number: 19COX6

No. 19 cobalt extension drill bit with a nominal drill diameter of 0.166 in (approximately 4.22 mm) and an overall length of approximately 152 mm.

Designed with NAS 965 Type D construction, this extension drill features a threaded square shank with a 1/4-28 UNF Class 2A thread and a steam-oxide surface treatment. The cobalt drill is intended for drilling hard, tough, high-tensile-strength materials where access is limited.

  • Drill size: No. 19, 0.166 in (approximately 4.22 mm)
  • Overall length: approximately 152 mm
  • Material: cobalt
  • Construction: NAS 965 Type D
  • Shank: threaded square shank
  • Thread: 1/4-28 UNF Class 2A
  • Surface treatment: steam oxide
  • Unit of measure: each

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