FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
PRIMARY WASHER MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
PRIMARY WASHER OUTSIDE DIAMETER | 0.460 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH |
SPECIAL FEATURES | W/HEADER POINT |
WASHER QUANTITY | 1 |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.619 INCHES MINIMUM AND 0.719 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 20 |