CONCENTRIC HOLE DIAMETER | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
FASTENER LENGTH | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AISI 302 ASSN STD 1ST MATERIAL RESPONSE OR AISI 305 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380-57 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNC |