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#12 (.189) 1/4-28 Threaded Drill Bit HSS 2-1/8 Long

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#12 (.189) 1/4-28 Threaded Drill Bit HSS 2-1/8 Long

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Part numbers : RX1-12-03849 , 311-1890 , 12-03849
Unit of Measure: EA

6.84 EUR / EA 6.84 EUR 6.84 € excl. VAT

6.84 EUR / EA excl. VAT

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Availability
Up to 2 EA ready to ship on Monday 2026-11-16
Order before 17:00 CET on Friday 2026-11-13

High-speed steel Type B threaded drill bit for use with compatible 1/4-28 threaded drill adaptors. This No. 12 drill has a nominal diameter of 4.8 mm (0.189 in) and an overall length of approximately 54 mm.

  • Manufacturer part number: 311-1890
  • Drill size: No. 12, 4.8 mm (0.189 in)
  • Material: high-speed steel (HSS)
  • Thread: 1/4-28 UNF Class 2A male thread
  • Construction: NAS 965 Type B threaded hex shank
  • Surface treatment: steam oxide
  • Overall length: approximately 54 mm

Suitable for general- to medium-duty drilling of low-tensile-strength materials where access is limited.

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