Heavy Duty 5/16-18 Inch Flat Head Socket Cap Screws, 1 Inch Long, 20 Pack, UNC Coarse Thread, Full Machine Thread, 304 Stainless Steel 18-8 Bright Finish, Countersunk Head, Allen Hex Drive, Go-To For Close-Tolerance Holes And Nut-Mated Assemblies

Heavy Duty Flat Head Socket Screws 1 inch, 5/16-18 UNC 20pc
✔️ 304 stainless, 1 inch long, flat head, 5/16-18 UNC, 20pc pack

These heavy-duty flat head socket cap screws are crafted from 304 stainless steel to deliver strength and corrosion resistance in close-tolerance assemblies. They are ideal for use in precision machinery, electronics, appliances, bikes, and DIY projects where a flush surface and reliable thread engagement matter. The 1-inch length and 5/16-18 UNC coarse thread pair with a 3/16-inch Allen drive for secure installation.

✅ Size: 5/16-18 UNC coarse thread
✅ Length: 1 in (25.4 mm)
✅ Material: 304 stainless steel (18-8) bright finish
✅ Head: Countersunk flat head, drive: 3/16 in Allen
✅ Finish: Bright, no coating; corrosion resistant
✅ Pack: 20 pieces

💡 What is a flat head socket cap screw used for in precision assemblies?

This handy fastener is designed for flush seating in close-tolerance holes and nut-mated joints across industries like machinery, electronics, and automotive. - Provides a flush, smooth surface in assemblies where protrusion is a problem.
- Compatible with standard Allen hex drive and 5/16-18 UNC threads for easy service.
- Ideal for tight spaces and close tolerances in precision equipment and DIY projects.