| AAWC |
FIRST DIAMETER FROM HEAD |
0.243 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
28.0 ROCKWELL B MAXIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AASB |
FASTENER LENGTH |
3.875 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.750 INCHES MINIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.078 INCHES NOMINAL FIRST HOLE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.312 INCHES NOMINAL |
| AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
3.125 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL COMP 8640 OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.438 INCHES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAWD |
SECOND DIAMETER FROM HEAD |
0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
2 |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
3.750 INCHES NOMINAL FIRST HOLE |
| AASU |
HEAD HEIGHT |
0.188 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |