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BS 3409-2:1966

Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads) - Diameters below ¼ in

Standard Details

Limits of size for tapped holes to accommodate wire thread inserts to provide thread sizes from No. 2 to No. 12 UNC inclusive and from No. 2 to No. 12 UNF inclusive. Recommendations for general dimensions and limits of size on the threaded portion of screwing taps intended to produce holes to the limits specified; details of a recommended gauging system for checking them.

General Information

Status : Confirmed
Standard Type: Main
Document No: BS 3409-2:1966
Document Year: 1966
Pages: 14
  • Section Volume:
  • GBM14 Manufacturing Engineering (GMB14)

Life Cycle

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Confirmed
BS 3409-2:1966
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