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NAS1305-30D
Machine Bolt
Description
Fastener Length: 2-23/64", Thread: 1/4-24, Thread Length: 31/64", NAS1305 series bolt
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 2.138 inches first hole and 2.188 inches first hole |
|---|---|
| Fastener Length | Between 2.329 inches and 2.359 inches |
| Grip Diameter | Between 0.3110 inches and 0.3120 inches |
| Grip Length | Between 1.865 inches and 1.885 inches |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | Between 0.156 inches and 0.181 inches |
| Head Style | Dished hexagon |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.076 inches first hole and 0.086 inches first hole |
| Specification Data | 80205-nas1305 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Type 2 cl2 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.444 inches and 0.494 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.409 inches and 0.502 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1305-30D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error