| FASTENER LENGTH | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1335 OR STEEL COMP 3115 OR STEEL COMP 8615 OR STEEL COMP 1035 OVERALL |
| NOMINAL THREAD DIAMETER | 0.236 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2082 TO 0.2106 INCHES |
| SPECIAL FEATURES | 0.210 MIN 0.220 MAX DIA OF UNTHREADED PORTION OF SHANK |
| POINT STYLE | FLAT |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 25 |
| THREAD SERIES DESIGNATOR | UNS |