FASTENER LENGTH | 0.936 INCHES MINIMUM AND 0.976 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM |
HEAD DIAMETER | 0.671 INCHES MINIMUM AND 0.709 INCHES MAXIMUM |
HEAD STYLE | PAN |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
MATERIAL | STEEL COMP 8630 OR STEEL COMP 4037 OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SHOULDER DIAMETER | 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM FIRST SHOULDER |
SPECIFICATION/STANDARD DATA | 80205-NAS1298 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 3A |
THREAD LENGTH | 0.395 INCHES MINIMUM AND 0.496 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 24 |