| FASTENER LENGTH | 1.660 INCHES MINIMUM AND 1.700 INCHES MAXIMUM |
| HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| POINT LENGTH | 0.410 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| POINT STYLE | DOG |
| POINT DIAMETER | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.135 IN. MIN 0.145 IN. MAX DIA HOLE DRILLED IN POINT 0.312 IN. BELOW THD |
| WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171,FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |