DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.125 INCHES NOMINAL FIRST HOLE |
CONCENTRIC HOLE DEPTH | 2.344 INCHES MINIMUM AND 2.406 INCHES MAXIMUM |
CONCENTRIC HOLE DIAMETER | 0.188 INCHES NOMINAL |
COUNTERBORE DIAMETER | 0.501 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
DISTANCE FROM CENTERLINE TO FLAT | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
FASTENER LENGTH | 3.234 INCHES MINIMUM AND 3.297 INCHES MAXIMUM |
HEAD HEIGHT | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
HEAD DIAMETER | 0.855 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
HEAD STYLE | DEE |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 8740 OVERALL |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.812 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNF |