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Overview
Unified Full Nuts
ANSI / ASME B18.2.2
Materials and Finishes:
Steel/Zinc & clear
Stainless steel/Self colour
Brass/Self colour
Note: Due to the fact that fastening applications differ greatly, the below information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.
Dimension data
| d (thread size) | 1/4 UNF | 5/16 UNF | 3/8 UNF | 7/16 UNF | 1/2 UNF | 9/16 UNF | 5/8 UNF |
| 1/4 UNC | 5/16 UNC | 3/8 UNC | 7/16 UNC | 1/2 UNC | 9/16 UNC | 5/8 UNC | |
| m max | 0.226 | 0.273 | 0.337 | 0.385 | 0.448 | 0.496 | 0.559 |
| s max | 0.438 | 0.500 | 0.562 | 0.688 | 0.750 | 0.875 | 0.938 |
| d (thread size) | 3/4 UNF | 7/8 UNF | 1 UNF | 1.1/8 UNF | 1.1/4 UNF | 1.3/8 UNF | 1.1/2 UNF |
| 3/4 UNC | 7/8 UNC | 1 UNC | 1.1/8 UNC | 1.1/4 UNC | 1.3/8 U | 1.1/2 UNC | |
| m max | 0.665 | 0.776 | 0.887 | 0.999 | 1.094 | 1.206 | 1.317 |
| s max | 1.125 | 1.312 | 1.500 | 1.688 | 1.875 | 2.062 | 2.250 |
| Technical Support Articles |
| UNC thread sizes |
| UNF thread sizes |
| Tightening factors & tolerances |
Select ..
1" UNC1" UNF1-1/2" UNC1-1/2" UNF1-1/4" UNC1-1/4" UNF1-1/8" UNC1-1/8" UNF1-3/4" UNC1-3/4" UNF1-3/8" UNC1-3/8" UNF1/2" UNC1/2" UNF1/4" UNC1/4" UNF3/4" UNC3/4" UNF3/8" UNC3/8" UNF4 UNC4 UNF5/16" UNC5/16" UNF5/8" UNC5/8" UNF6 UNC6 UNF7/16" UNC7/16" UNF7/8" UNC7/8" UNF8 UNC8 UNF9/16" UNC9/16" UNF10 UNC10 UNF12 UNC12 UNF
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