| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692 TABLE 5-M12X32-8.8 | K7766 | BRITISH STANDARDS INSTITUTION |
| SPE 379-12-32 | K0378 | ROLLS-ROYCE PLC |
| BS3692 TABLE 6-M12X32-8.8 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692-TABLE 5 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692-TABLE 6 | K7766 | BRITISH STANDARDS INSTITUTION |