FASTENER LENGTH | 0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
HEAD DIAMETER | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SPECIFICATION/STANDARD DATA | 80205-NAS608 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.294 INCHES MINIMUM AND 0.365 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |