| FASTENER LENGTH | 6.0 INCHES NOMINAL |
| HARDNESS RATING | 70.0 ROCKWELL B NOMINAL OVERALL |
| HEAD HEIGHT | 0.156 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 18-8 STAINLESS STEEL HEX HEAD SCREW |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.25 INCHES |
| SPECIAL FEATURES | PARTIALLY THREADED;18-8 STAINLESS STEEL;COARSE THREAD;EXTERNAL HEX DRIVE;ASME B18.2.1;ROHS COMPLIANT;1/4"-20 THREAD SIZE, 6" LONG |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.75 INCHES MINIMUM AND 1.00 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | A20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |