bolts › close tolerance bolts
NAS1221R08E12
Bolt
Description
Fastener Length: 1-3/32", Thread: 8-32, Thread Length: 5/16"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.074 inches minimum and 1.104 inches maximum |
| Head Diameter | 0.294 inches minimum and 0.332 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque-set ribbed |
| Length | 1 3/32 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Bolt 100 degrees flush head |
| Screw Material | Iron alloy 660 |
| Screw Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.339 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
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 NAS1221R08E12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error