| Specification | ProcessDescription | Category | SpecLimits |
| GT 16 A | Thread Rolling | Miscellaneous | Limits: Limited to PH15-5 at H925, PH13-8 at H925, and 410 stainless steel (Max thread size: 1 3/16-18 ), PH13-8 at H1000 ( Max. thread size 1 1/8 – 12 . Limited to All Alloy Steels and Heat treatments noted in GT16A up to and including a thread size of 1.000-12." |