| FASTENER LENGTH | 2.178 INCHES MINIMUM AND 2.198 INCHES MAXIMUM |
| GRIP LENGTH | 1.683 INCHES MINIMUM AND 1.693 INCHES MAXIMUM |
| HEAD HEIGHT | 0.098 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.472 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 73197-HL20PB-10-27 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYII,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |