screws › drive screws
MS21318-37
7X1/2 MS21318 Military Round Head Type U Drive Screw Cadmium
Description
length: 0.50", round head, MS21318 series screw
Specifications
| Fastener Length | 0.500 |
|---|---|
| Features Provided | Casehardened |
| Head Diameter | 0.264 inches minimum and 0.285 inches maximum |
| Head Height | 0.099 inches minimum and 0.111 inches maximum |
| Head Style | Round Head |
| Length | 1/2 |
| Material | Steel |
| Nonmachine Thread Diameter | 0.152 |
| Nonmachine Thread Style | Drive screw (type u) |
| Part Name Assigned By Controlling Agency | Screw, drive, round head, type u, steel, carbon, cadmium plated |
| Size | 7 |
| Special Features | Screw is not recommended for use in material the thickness of which is less than one diameter of the screw |
| Specification Data | 80205 - nas-21318, 25 nov 1998 which replaced ms21318, rev a0./13/65 professional/industrial association specification |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec all treatment responses |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error