| ASTM F880 |
This specification covers the requirements for austenitic grade stainless steel socket-set screws (SSS) sizes 0.060 through 1.000 in. square head set screws (SHSS) sizes 0.190 through 1.500 in., and slotted headless set screws (HSS) 0.060 through 0.750 in., in two conditions, AF and CW. |
| ASME B18.3 |
Covers the complete general and dimensional data for various types of hexagon socket cap screws, shoulder screws, set screws, and hexagon keys recognized as an American National Standard. |
| ASME B1.1 UNC & UNF Class 2A |
Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. |