EXTENDED WASHER DIAMETER | 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
FASTENER LENGTH | 1.380 INCHES NOMINAL |
HEAD HEIGHT | 0.418 INCHES NOMINAL |
HEAD STYLE | HEXAGON EXTENDED WASHER |
MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
SHOULDER DIAMETER | 0.500 INCHES NOMINAL FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 CL 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.000 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNF |