| FASTENER LENGTH | 0.641 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| GRIP LENGTH | 0.220 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-405 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| SHANK STYLE | STUMP |
| SPECIFICATION/STANDARD DATA | 80205-NAS1498 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |