| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HARDNESS RATING | 65.0 ROCKWELL B MINIMUM AND 75.0 ROCKWELL B MAXIMUM OVERALL |
| HEAD DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| HEAD HEIGHT | 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR SAE ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1022 OVERALL |
| MINIMUM TENSILE STRENGTH | 132000 POUNDS PER SQUARE INCH |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,TAPPING |
| SPECIAL FEATURES | TRIANGLE /TAPTITE) SHAPE THREADS |
| SURFACE TREATMENT | CADMIUM OVERALL |