SAE J429: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.625 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.250 INCHES NOMINAL IN, fastener_length: 3.250 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-674-0729, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| head_style | HEXAGON |
| head_height | 0.625 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 2.250 INCHES NOMINAL IN |
| fastener_length | 3.250 INCHES NOMINAL IN |
| hardness_rating | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FASTENER |
| thread_direction | RIGHT-HAND |
| surface_treatment | ALUMINUM AND ZINC OVERALL |
| width_between_flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| supplementary_features | MADE FROM J429C2R06CX28G8 |
| end_item_identification | 2541-01-684-8372 |
| NSN | 5306-01-674-0729 |
| HEAD HEIGHT | 0.625 INCHES NOMINAL IN |
| FASTENER LENGTH | 3.250 INCHES NOMINAL IN |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FASTENER |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | FINISH-PLAIN; 0.938 INCHES HEX WIDTH; THREAD STYLE - PARTIALLY THREADED; SCREW GRADE/CLASS GRADE 8 STEEL FINISH; SCREW INDUSTRY STANDARD - IFI-111, TENSILE STRENGTH - 150,000 POUND PER SQUARE INCH (PSI); 1.313 INCH FLANGE DIAMETER; 0.10 INCH FLANGE THICKNESS; 0.625 INCH DIAMETER; THREADED LENGTH - 1.50 MINIMUM TO 2.273 MAXIMUM INCH LBS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD CAP SCREW |
| THREAD SERIES DESIGNATOR | UNF |