FASTENER LENGTH | 5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM |
HARDNESS RATING | 60.0 ROCKWELL B MINIMUM OVERALL |
HEAD HEIGHT | 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM |
MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A307,GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2 STYLE AND B GRADE |
WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC AND ZINC AND CHROMATE OVERALL |