Built Tough 5/16-18 By 3-1/2 Inch Button Head Socket Cap Screws Made From Top Shelf 304 Stainless Steel With Long Lasting Black Oxide Shield And Snug Allen Hex Drive For No Hassle Jobsite Work Pack Of 10
✔️ 5 16 by 3 1 2 inch black coated stainless bolts
This pack of ten socket cap screws delivers reliable holding power for demanding DIY builds and industrial fixtures. The 304 stainless steel body resists rust while the black oxide coating keeps things looking clean under workshop lights or outdoor weather. You get snug allen drive compatibility for steady torque without stripping, making these fasteners a solid choice for garage projects, trailer repairs, and structural framing.
✅ Package contains ten right hand threaded hex socket bolts✅ Includes one matching hex wrench for immediate installation
✅ Features 3 1 2 inch overall length for deep gripping power
✅ Offers precise 5 16 inch shaft diameter with standard thread
✅ Delivers strong hold for automotive mods and fence posts
✅ Comes with handy small parts warning label for safety
💡 Why pick high grade stainless hex socket caps over regular bolts for frame work?
The material combo handles rough shop use while staying handy for quick swaps.
- Chromium oxides block moisture from chewing up the core metal during wet winters
- Cold forged shaping aligns grain flow directionally for serious pull tension
- Precision thread rolling guarantees tight clearance fits inside pre tapped tubes
- Hardened drive recesses absorb sudden wrench hits without peeling off corners