Manufacturing Engineering
Official British Standard
BS 3409-1:1961
Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads) - Diameters ¼ in and over
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Technical Information
Manufacturing Engineering
BSI Group
0 580 35252 8
Specification Details
- Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads) - Diameters ¼ in and over
Official BSI Standard
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Industry Recognised