| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.070 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
HRPS161,FSCM 81873 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AATX |
SHOULDER LENGTH |
1.213 INCHES MINIMUM FIRST SHOULDER AND 1.223 INCHES MAXIMUM FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
1.600 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 631 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| AASU |
HEAD HEIGHT |
0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.493 INCHES MINIMUM FIRST HOLE AND 1.503 INCHES MAXIMUM FIRST HOLE |
| AATN |
SHOULDER DIAMETER |
0.3095 INCHES MINIMUM FIRST SHOULDER AND 0.3110 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.377 INCHES MINIMUM AND 0.427 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |