| AASU |
HEAD HEIGHT |
0.500 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.788 INCHES MINIMUM AND 0.838 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
3.673 INCHES MINIMUM AND 3.703 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASL |
HEAD DIAMETER |
0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| ASDB |
WIDTH ACROSS FLATS |
0.3755 INCHES MINIMUM AND 0.3785 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
34.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |