New
Arrivals/Restock
5/16-18 x 3-1/2 Button Head Socket Cap Screws, Stainless Steel 18-8(304), Black Oxide, Allen Hex Drive, Full Thread, 20 PCS (with Hex Spanner)
4.2 (95 items)
Limited Time SaleUntil the end
09
47
30
$14.99 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
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New $24.99
Product details
| Management number | 218155171 | Release Date | 2026/05/03 | List Price | $10.00 | Model Number | 218155171 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- ✅ Premium Black Oxide Coated Stainless Steel Bolts. Upgraded with premium 304 stainless steel, precision-polished and electroplated with a black oxide coating for dual-protection finish. The sleek black coating not only significantly enhances corrosion resistance but also breaks free from outdated metallic looks, effortlessly blending with modern minimalist and industrial aesthetics.
- ✅ Specs & Safety: Includes 20 right-hand threaded hex socket bolts + 1 hex key. Specifications: 5/16-inch diameter, 1/18-inch thread pitch, 3-1/2-inch length, 0.547-inch head diameter (see diagram). Warning: Contains small parts - keep away from children.
- ✅ Versatile Performance: Ideal for furniture assembly, machinery repairs, outdoor fencing, while meeting heavy-duty demands like automotive modifications and steel structure connections.
- ✅ Extensive Selection: Your fastener specialist offering multiple sizes, colors, and quantities to match various load requirements. Explore our full range in the storefront.
- ✅ Hassle-Free After-Sales Service: Your satisfaction is our top priority. If you encounter any issues while using our screws and bolts, simply contact us for assistance. We guarantee to provide a solution that will leave you satisfied!
| Brand | KONGKI |
|---|---|
| Head Type | Socket |
| Size Name | 5/16x3-1/2" |
| Metal Type | Stainless Steel |
| Unit Count | 1.0 Count |
| Part Number | Stainless Steel 304 |
| Thread Size | 5/16"-18 |
| Thread Type | Unc |
| Drive System | External Hex |
| Manufacturer | KONGKI |
| Thread Style | Right Hand |
| Fastener Size | 5/16 x 3-1/2 |
| Fastener Type | Socket Head |
| Material Type | Stainless Steel |
| Exterior Finish | Black Oxide |
| Number Of Items | 20 |
| Thread Coverage | Fully Threaded |
| Screw Head Style | Button |
| Set Screw Thread Type | UNC |
Socket Head Screws
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