| SECOND STEP LENGTH | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| SPECIAL FEATURES | HEX HOLE IN END 0.0781 IN. MIN AND 0.0791 IN. MAX WIDTH ACROSS FLATS,0.110 MIN BY 0.120 MAX DEEP |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE TREATMENT | COPPER OVERALL |
| UNDER HEAD LENGTH | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
| FIRST END STYLE | SQUARE |
| FIRST STEP LENGTH | 1.177 INCHES MINIMUM AND 1.217 INCHES MAXIMUM |
| FIRST STEP DIAMETER | 0.190 INCHES NOMINAL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FILLISTER |
| HEIGHT | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 86L20,CAGEC 75160 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |
| SECOND STEP DIAMETER | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |