FASTENER LENGTH | 2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM |
HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
HEAD DIAMETER | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
HEAD STYLE | ROUND |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
NECK LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
NECK WIDTH | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD ALL TREATMENT RESPONSES OVERALL |
SURFACE TREATMENT | ZINC OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.750 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNC |