screws › machine screws
13234977-31
Screw Assembly
Description
Fastener Length: 1/2", Thread: 8-32
Specifications
| Fastener Length | 0.510 |
|---|---|
| Head Diameter | 0.385 |
| Head Height | 0.495 |
| Head Style | Knurled no. 5 |
| Internal Drive Style | Slot |
| Length | 1/2 |
| Material | CRES |
| Material Accommodated Thickness | 0.020 inches minimum and 0.031 inches maximum |
| Material Specification | Astm a313 assn std single material response spring, Astm a493 assn std single material response fastener, Astm a582 assn std single material response head, Mil-s-23195 mil spec single material response stand-off, Mil-s-25043 mil spec single material response primary washer, Mil-s-5059 mil spec single material response secondary washer |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- 13234977-17
- 13234977-31
Cross-reference
No interchangeable or dimensionally similar parts are on record for 13234977-31. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error