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1/4 (.250) 1/4-28 Threaded Drill BitHSS 5/8 Long

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1/4 (.250) 1/4-28 Threaded Drill BitHSS 5/8 Long

https://www.roctexo.com/web/image/product.template/74080/image_1920?unique=5123e5c
Part numbers : RX1-12-04120 , 1664HSST , 12-04120
Unit of Measure: EA

7.52 EUR / EA 7.52 EUR 7.52 € excl. VAT

7.52 EUR / EA excl. VAT

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Availability
Up to 9 EA ready to ship on Thursday 2026-10-01
Order before 16:00 CET on Tuesday 2026-09-29
8 EA available on request, fees apply
Special order from vendor stock.

High-speed steel threaded drill bit for use with compatible 1/4-28 threaded drill adaptors. This Type B drill is manufactured to NAS 965 construction and features a 1/4-28 UNF Class 2A male thread.

  • Manufacturer part number: 1664HSST
  • Drill diameter: 1/4 in (6.35 mm)
  • Thread: 1/4-28 UNF Class 2A, male
  • Overall length: 5/8 in (approximately 16 mm)
  • Material: high-speed steel (HSS)
  • Surface treatment: steam oxide

Designed for general to medium-duty drilling of low-tensile-strength materials, including work in confined areas. Verify required drill-adaptor interface and maintenance data before use.

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