| ASDB |
WIDTH ACROSS FLATS |
0.250 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL AND CHROMATE OVERALL |
| AASB |
FASTENER LENGTH |
1.854 INCHES MINIMUM AND 1.864 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
1.364 INCHES MINIMUM FIRST SHOULDER AND 1.374 INCHES MAXIMUM FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASA |
THREAD LENGTH |
0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| AAWU |
SINGLE SHEAR STRENGTH |
84000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
16 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
140000 POUNDS PER SQUARE INCH |
| AATN |
SHOULDER DIAMETER |
0.496 INCHES MINIMUM FIRST SHOULDER AND 0.498 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.750 INCHES NOMINAL |