| AATN |
SHOULDER DIAMETER |
0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4037 OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASB |
FASTENER LENGTH |
0.988 INCHES MINIMUM AND 1.035 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.219 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| AATX |
SHOULDER LENGTH |
0.576 INCHES MINIMUM FIRST SHOULDER AND 0.598 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AASL |
HEAD DIAMETER |
0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |