| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692-M12 X 30 MM HEX HD | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692-TABLE 5 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692-TABLE 6 | K7766 | BRITISH STANDARDS INSTITUTION |
| T.S. 402/12/30/10.9 | U1809 | TURNER POWERTRAIN SYSTEMS LTD |
| TS400/12/30/10.9 | U1809 | TURNER POWERTRAIN SYSTEMS LTD |