FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
HEAD DIAMETER | 0.304 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
HEAD HEIGHT | 0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
HEAD STYLE | KNURLED NO. 1 |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | BS 970, PART 1, GRADE 431S29 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL OR BS S80 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 123200 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
SPECIAL FEATURES | ALTERNATIVE THREAD CLASS 3A |
WIDTH BETWEEN FLATS | 0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM |
STRENGTH GRADE DESIGNATION | ERR-030 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNF |