[100 PKG] Cap Screws Flat Socket Nylon Patch Alloy Thermal Black Oxide 5/16-18 X 1 1/2

Engineered for secure, long-lasting fastening, Cap Screws Flat Socket Nylon Patch Alloy Thermal Black Oxide 5/16-18 x 1-1/2 delivers dependable performance in automotive, machinery, and industrial applications. The alloy steel body provides high strength, while the nylon patch insert protects mating surfaces and reduces wear. Finished with a thermal black oxide coating for corrosion resistance and a clean, low-profile appearance.

Specifications

• Thread size: 5/16-18
• Length: 1-1/2 in
• Head style: Flat socket cap screw
• Drive: Socket (Allen)
• Material: Alloy steel
• Finish: Thermal black oxide
• Nylon patch: Yes

Benefits & Applications

• Ideal for automotive, machinery, and equipment assemblies requiring strong, reliable fasteners
• High-strength alloy steel with a durable thermal black oxide finish for corrosion resistance
• Nylon patch insert protects mating surfaces and helps reduce wear
• Flat socket head provides a flush, professional appearance in assemblies