| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAWD |
SECOND DIAMETER FROM HEAD |
0.177 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AASA |
THREAD LENGTH |
0.530 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
1.160 INCHES MINIMUM AND 1.240 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| AASU |
HEAD HEIGHT |
0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASB |
FASTENER LENGTH |
1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |