screws › setscrews
MS51047-47
Military Standard Setscrew
Description
Fastener Length: 1/2", Thread: 1/4-28, Head Width: 1/8", Thread Length: 1/2"
Specifications
| Fastener Length | 0.500 |
|---|---|
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 1/2 |
| Material | CRES |
| Material Specification | 66 fed std all material responses |
| Nondefinitive Specification/Std Data | 1 type and 6 style |
| Point Style | Half dog |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.500 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Across Flats | 0.125 inches minimum and 0.127 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS51047-35
- MS51047-47
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.
- AN565A428H8 AN 1/4-28 · 1/2 in · Headless (setscrew) · Steel
- AN565DC428H8 AN 1/4-28 · 1/2 in · Headless (setscrew) · CRES
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Catalog data updated 2026-07-05. Report a data error