| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 69.50 MILLIMETERS MINIMUM AND 70.50 MILLIMETERS MAXIMUM |
| HEAD DIAMETER | 31.00 MILLIMETERS MINIMUM AND 33.10 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS970-605-36 CONDITION 'S' NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR BS3111 TYPE 9 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR AISI10B21 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | PLOUGH BOLT 3/4IN. UNFX70 |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STD00017 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 38.10 MILLIMETERS MINIMUM AND 40.64 MILLIMETERS MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |