screws › socket head cap screws
NAS1351N8-28
Socket Head Cap Screw
Description
Fastener Length: 1-3/4", Thread: 1/2-20, Head Width: 3/8", Thread Length: 1-1/2", NAS1351 series screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 1.690 inches and 1.750 inches |
| Hardness Rating | 33.0 rockwell c and 42.0 rockwell c |
| Head Diameter | Between 0.735 inches and 0.750 inches |
| Head Height | Between 0.492 inches and 0.500 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1 3/4 |
| Material | Iron |
| Material Specification | Ams5731 assn standard single material response or ams5737 assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1531 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | Aal |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 1.500 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Thread Size | 1/2 |
| Width Across Flats | Between 0.375 inches and 0.379 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1351N8-26
- NAS1351N8-28
- NAS1351N8-48
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1351N8-28. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error