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NAS1218-3-4
Machine Bolt
Description
Fastener Length: 19/32", Thread: 10-32, Thread Length: 23/64", NAS1218 series bolt
Specifications
| Fastener Length | Between 0.574 inches and 0.604 inches |
|---|---|
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.360 inches and 0.374 inches |
| Head Height | Between 0.115 inches and 0.125 inches |
| Head Style | Pan Head |
| Internal Drive Style | High-torque |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 |
| Screw Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416 type 2 cl 2 federal specification single treatment response |
| Specification Data | 80205-nas1218 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.314 inches and 0.364 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 10 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1218-3-4
- NAS1218-3-5
- NAS1218-3-6
- NAS1218-3-7
- NAS1218-3-8
- NAS1218-3-9
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1218-3-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error