HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
OVERALL LENGTH | 3.406 INCHES NOMINAL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6370 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6382 ASSN STD 4TH MATERIAL RESPONSE |
MATERIAL | STEEL COMP 8630 OR STEEL COMP 8740 OR STEEL COMP 4130 OR STEEL COMP 4140 |
NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
SHANK DIAMETER | 0.250 INCHES NOMINAL |
SPECIAL FEATURES | STUD END MUST BE ROLLED THREAD |
STYLE DESIGNATOR | STEPPED |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A NUT THREAD |
THREAD DIRECTION | RIGHT-HAND NUT THREAD |
THREAD DIRECTION | RIGHT-HAND STUD THREAD |
THREAD LENGTH | 0.500 INCHES MINIMUM NUT THREAD |
THREAD LENGTH | 0.562 INCHES MINIMUM STUD THREAD |
THREAD PITCH DIAMETERS | +0.2784 TO 0.2800 INCHES STUD THREAD |
THREAD QUANTITY PER INCH | 18 STUD THREAD |
THREAD QUANTITY PER INCH | 28 NUT THREAD |
THREAD SERIES DESIGNATOR | UNF NUT THREAD |
THREAD SERIES DESIGNATOR | UNS STUD THREAD |