THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
THREAD QUANTITY PER INCH | 13 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.500 INCHES MAXIMUM |
FASTENER LENGTH | 1.438 INCHES MINIMUM AND |
| 1.500 INCHES MAXIMUM |
MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
SURFACE TREATMENT | CADMIUM OR |
| ZINC OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR |
| QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND |
| 43.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | SQUARE |
HEAD HEIGHT | 0.361 INCHES MINIMUM AND |
| 0.389 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.484 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
POINT STYLE | OVAL |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81348 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS103TYPE1STYLE3 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS210 |