Flat Socket Head Cap Screw 18-8 Stainless Steel Half Inch Diameter 13 Threads Per Inch 5-1/2 Inch Length Allen Socket Bolt Pack Of 250 Go-To Heavy Duty Fastener For Machinery DIY Projects And Automotive
✔️ 1/2 dia, 13 TPI, 5-1/2" long, 18-8 SS, 250-pack
This flat socket head cap screw is a heavy-duty fastener designed for secure, clean joints in machinery, automotive assemblies, and DIY projects. It uses 18-8 stainless steel for excellent corrosion resistance, with a 1/2 inch (12.7 mm) diameter, 13 threads per inch, and a 5-1/2 inch (139.7 mm) overall length. The pack contains 250 pieces, making it ready for big builds or multiple projects.
✅ 18-8 stainless steel for strong corrosion resistance
✅ 1/2" diameter (12.7 mm) and 13 TPI pitch
✅ 5-1/2" length (139.7 mm) for tall assemblies
✅ Pack of 250 pieces for bulk use
✅ Flat socket head with hex drive for tight spaces
✅ Suitable for exterior or moisture-prone applications
💡 What is a common use case for a flat socket head cap screw used in machinery and outdoor projects? This handy fastener is commonly used to secure brackets, panels, and components in tight spaces where a low-profile head is needed.
- 18-8 stainless steel delivers corrosion resistance for outdoor, marine, or workshop use
- Hex drive provides solid torque transfer for secure fastening
- Ideal for automotive assemblies where space is tight and alignment matters
- Pairs with standard Allen wrenches for easy maintenance