| CQFM |
HARDNESS RATING |
45.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4137 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| ABQJ |
POINT STYLE |
FLAT |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| FEAT |
SPECIAL FEATURES |
3 SLOTS ON CIRCUMFERENCE OF HEAD 120 DEGREES APART |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASK |
HEAD STYLE |
HEADLESS (SETSCREW) |
| AAJD |
THREAD CLASS |
2A |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AASA |
THREAD LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| ASDB |
WIDTH ACROSS FLATS |
0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |