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MS51975-13
Hexagon Socket Shoulder Screw
Description
Fastener Length: 1-15/16", Thread: 1/4-20, Head Width: 5/32", Thread Length: 11/32"
Specifications
| Fastener Length | 1.928 |
|---|---|
| Finish | Cadmium ll |
| Hardness Rating | 32.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Diameter | 0.419 inches minimum and 0.437 inches maximum |
| Head Height | 0.209 inches minimum and 0.219 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1 59/64 |
| Material | Steel |
| Material Specification | Sae assn std all material responses |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Shoulder Diameter | 0.3085 inches minimum first shoulder and 0.3105 inches maximum first shoulder, 5/16 |
| Shoulder Length | 1 1/2, 1.495 inches minimum first shoulder and 1.505 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Size | 1/4-20 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.343 inches minimum and 0.363 inches maximum, 7/16 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Thread Type | N.C. - Coarse |
| Width Across Flats | 0.156 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51975-13. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error