bolts › shear bolts
NAS628H18
Shear Bolt
Description
Fastener Length: 1-7/8", Hole Diameter: 3/64", Thread: 1/2-20, Thread Length: 49/64
Specifications
| Extended Washer Diameter | Between 0.818 inches and 0.828 inches |
|---|---|
| Extended Washer Thickness | Between 0.113 inches and 0.133 inches |
| Fastener Length | Between 1.851 inches and 1.881 inches |
| Grip Diameter | Between 0.4985 inches and 0.4995 inches |
| Grip Length | Between 1.115 inches and 1.135 inches |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | Between 0.494 inches and 0.514 inches |
| Head Style | Double hexagon with hole |
| Hole Configuration Style | Double hexagon longitudinal hole |
| Hole Diameter | Between 0.050 inches and 0.060 inches |
| Hole Quantity | 4 |
| Hole Type | Drilled |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Specification Data | 80205-nas628 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas672 assn standard single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.716 inches and 0.766 inches |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/2 |
| Width Between Flats | Between 0.556 inches and 0.565 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS628H18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error