Beefy 4-40 x 3/4 Inch Button Head Socket Cap Screws Kit In Black Oxide Alloy Steel, 5000-Pack Fasteners Set For DIY Automotive And Machinery Projects, Built Tough, Corrosion Resistant In Extreme Temps
✔️ Black oxide alloy steel, 4-40 x 3/4 in, 5000-pack screws
This bulk kit includes button head socket cap screws finished in black oxide. Designed for DIY automotive and machinery projects, these screws offer strong performance and corrosion resistance in high temperature, cold, and humid environments. They are made from steel alloy to prevent rust and stay like new, and the kit is mercury-free and toxic-free.
✅ Size: 4-40 thread, 3/4 in length
✅ Finish: black oxide alloy steel
✅ Type: button head socket cap screws
✅ Pack: 5000 screws
✅ Application: automotive, machinery, and DIY assemblies requiring corrosion resistance
💡 What is a 4-40 x 3/4 inch button head socket cap screw used for in DIY automotive and machinery projects? This handy fastener helps secure small parts with a flush head.
- 4-40 thread size; 3/4 inch length fits compact assemblies
- Black oxide alloy steel provides corrosion resistance in heat and humidity
- Commonly used for brackets, covers, and linkages in automotive and machinery builds