| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CQBC |
MINIMUM TENSILE STRENGTH |
16000 POUNDS PER SQUARE INCH |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.012 INCHES MINIMUM FIRST HOLE AND 1.062 INCHES MAXIMUM FIRST HOLE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8740 OVERALL |
| AASA |
THREAD LENGTH |
0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.464 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.138 INCHES MINIMUM AND 1.168 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| ANEE |
GRIP LENGTH |
0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |