screws › setscrews
MS51021-131
Military Standard Setscrew
Description
Fastener Length: 1/8", Thread: 8-32, Head Width: 1/16", Thread Length: 1/8", MS51021 series screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.115 inches and 0.135 inches |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 1/8 |
| Locking Feature | Patch threads or pellet threads or strip threads |
| Material | Steel |
| Nondefinitive Specification/Std Data | 1 type and 4 style |
| Point Style | Cup |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.115 inches and 0.135 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 8 |
| Width Across Flats | 0.078 |
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.
- AN565AC8H2 AN #8-32 · 1/8 in · Headless (setscrew)
- AN565D8H2 AN #8-32 · 1/8 in · Headless (setscrew) · Steel
- MS51965-131 MS #8-32 · 1/8 in · Headless (setscrew) · Steel
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Catalog data updated 2026-07-05. Report a data error