| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| AASL |
HEAD DIAMETER |
0.408 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.772 INCHES MINIMUM AND 0.802 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| FEAT |
SPECIAL FEATURES |
INTERNAL HOLE IN HEAD 0.190 IN. NOM DIA,32 THDS PER IN.,UNF CLASS 3B,COUNTERSUNK 90 DEGREES |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CYBA |
SCREW SURFACE TREATMENT |
CADMIUM AND CHROMATE |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AASA |
THREAD LENGTH |
0.287 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
| CYAU |
SCREW MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4130 |