THREAD DIRECTION | RIGHT-HAND |
FASTENER LENGTH | 1.640 INCHES MINIMUM AND |
| 1.687 INCHES MAXIMUM |
MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 8630 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 4130 OR |
| STEEL COMP 4037 OVERALL |
THREAD LENGTH | 1.580 INCHES MINIMUM AND |
| 1.657 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR |
| AMS 6300 MIL SPEC 6TH MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.219 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND |
| 0.440 INCHES MAXIMUM |
HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 6 |
HOLE DIAMETER | 0.070 INCHES NOMINAL |
GRIP LENGTH | 0.030 INCHES MINIMUM AND |
| 0.060 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |