| AASK |
HEAD STYLE |
KNURLED NO. 1 |
| AASL |
HEAD DIAMETER |
0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| 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 |
| AASU |
HEAD HEIGHT |
0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| ABQJ |
POINT STYLE |
POINTLESS |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
30.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AATN |
SHOULDER DIAMETER |
0.326 INCHES MINIMUM FIRST SHOULDER AND 0.328 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.980 INCHES MINIMUM FIRST SHOULDER AND 1.020 INCHES MAXIMUM FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
1.720 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |