| CWYB |
SHOULDER SHAPE |
ROUND ALL SHOULDERS |
| AASK |
HEAD STYLE |
KNURLED NO. 4 |
| THSD |
THREAD SERIES DESIGNATOR |
UNRC |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AATX |
SHOULDER LENGTH |
0.183 INCHES MINIMUM ALL SHOULDERS AND 0.193 INCHES MAXIMUM ALL SHOULDERS |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAUM |
LOCKING FEATURE |
STRIP THREADS |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL OVERALL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
56878-12705L5C8 MANUFACTURERS STANDARD |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AASL |
HEAD DIAMETER |
0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| ASDB |
WIDTH ACROSS FLATS |
0.156 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.317 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AATN |
SHOULDER DIAMETER |
0.281 INCHES NOMINAL ALL SHOULDERS |