| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL AND CHROMATE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP 302 OVERALL AND STEEL COMP 309 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 385 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AASL |
HEAD DIAMETER |
0.600 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| ASDB |
WIDTH ACROSS FLATS |
0.188 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
0.514 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| CRSQ |
COUNTERSINK ANGLE |
80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASB |
FASTENER LENGTH |
0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |