| AASU |
HEAD HEIGHT |
0.500 INCHES NOMINAL |
| AAWX |
CONCENTRIC HOLE DEPTH |
1.475 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CQFM |
HARDNESS RATING |
51.0 ROCKWELL C MINIMUM OVERALL AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4340 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
260000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
7.140 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
NICKEL GRIP |
| FEAT |
SPECIAL FEATURES |
COUNTERBORE HEAD 0.750 INCH DIA BY 1.700 INCH DEPTH |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.840 INCHES MINIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM THREADS |
| SFTT |
SURFACE TREATMENT |
NICKEL HEAD |
| AASK |
HEAD STYLE |
HEXAGON |
| AATB |
WIDTH BETWEEN FLATS |
1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
12 |
| STYL |
STYLE DESIGNATOR |
CONCENTRIC HOLE UNTHREADED |
| AHYM |
NOMINAL THREAD DIAMETER |
1.000 INCHES |
| AAXC |
CONCENTRIC HOLE DIAMETER |
0.750 INCHES NOMINAL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
6.800 INCHES NOMINAL FIRST HOLE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
SS8428 DALIC FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE THREADS |