| AATX |
SHOULDER LENGTH |
0.130 INCHES MINIMUM FIRST SHOULDER AND 0.134 INCHES MAXIMUM FIRST SHOULDER |
| AASU |
HEAD HEIGHT |
0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.065 INCHES MINIMUM FIRST HOLE AND 0.072 INCHES MAXIMUM FIRST HOLE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.650 INCHES MINIMUM FIRST HOLE AND 0.670 INCHES MAXIMUM FIRST HOLE |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.295 INCHES MINIMUM AND 0.335 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CHROMIUM OVERALL |
| AASK |
HEAD STYLE |
HEXAGON |
| CQFM |
HARDNESS RATING |
30.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASB |
FASTENER LENGTH |
0.775 INCHES MINIMUM AND 0.795 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.371 INCHES MINIMUM FIRST SHOULDER AND 0.372 INCHES MAXIMUM FIRST SHOULDER |