screws › setscrews
MS18066-11
Military Standard Setscrew
Description
Fastener Length: 1/4", Thread: 6-32, Head Width: 1/16", Thread Length: 1/4"
Specifications
| Fastener Length | 0.250 |
|---|---|
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 1/4 |
| Locking Feature | Patch threads or pellet threads or strip threads |
| Material | CRES |
| Point Style | Flat |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | 0.250 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 6 |
| Width Across Flats | 0.063 inches minimum and 0.064 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS18066-11
- MS18066-23
- MS18066-25
- MS18066-26
- MS18066-53
- MS18066-57
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- AN565AC6H4 AN #6-32 · 1/4 in · Headless (setscrew) · CRES
- AN565B6H4 AN #6-32 · 1/4 in · Headless (setscrew) · Steel
- AN565BC6H4 AN #6-32 · 1/4 in · Headless (setscrew) · CRES
- AN565D6H4 AN #6-32 · 1/4 in · Headless (setscrew) · Steel
- MS18063-11 MS #6-32 · 1/4 in · Headless (setscrew) · Steel
- MS51021-23 MS #6-32 · 1/4 in · Headless (setscrew) · CRES
- MS51045-20 MS #6-32 · 1/4 in · Headless (setscrew) · CRES
- MS51973-19 MS #6-32 · 1/4 in · Headless (setscrew) · Steel
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Catalog data updated 2026-07-05. Report a data error