| CQHQ |
MINIMUM YIELD STRENGTH |
155000 POUNDS PER SQUARE INCH |
| AASL |
HEAD DIAMETER |
0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
3A |
| ASDB |
WIDTH ACROSS FLATS |
0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.250 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASU |
HEAD HEIGHT |
0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
6 TYPE |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |