| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.265 INCHES MINIMUM AND 1.275 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
| GRIP LENGTH | 0.939 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| HARDNESS RATING | 76.1 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 80.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| HEAD MAJOR DIAMETER | 0.416 INCHES MINIMUM AND 0.479 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A547 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHANK STYLE | STUMP |
| SHEAR STRENGTH | 14600 DOUBLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 80205-NAS1420 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |