screws › setscrews
MS51021-10
Military Standard Setscrew
Description
Length: 0.188", stainless steel, MS51021 series screw
Specifications
| Fastener Length | 0.188 |
|---|---|
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 3/16 |
| Material | CRES |
| Point Style | Cup |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.188 inches minimum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
| Width Across Flats | 0.050 inches minimum and 0.051 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error