Powerful Hex Head Cap Screws designed for heavy-duty assemblies. These screws are manufactured from Grade 8 steel for high tensile strength and finished with a Zinc Yellow Bake coating that offers enhanced corrosion resistance and long-lasting durability. Size: 1 1/8-7 x 5 1/2″ (PT), CR6 designation.

Key features

• Material: Grade 8 steel for superior strength and reliability.
• Finish: Zinc Yellow Bake coating provides corrosion resistance and easy identification.
• Size & thread: 1 1/8-7, 5 1/2″ long with a coarse 7 TPI for secure mating.
• Head style: Hex Head Cap Screw for straightforward installation with standard tools.
• Designation: CR6
• Packaging: PT

Applications

Ideal for automotive, industrial machinery, construction, and heavy equipment assemblies that require high-strength fasteners and reliable performance in challenging environments. Use with compatible nuts and washers and follow torque specifications for best results.

Why choose Grade 8 with a Zinc Yellow Bake finish?

The combination delivers exceptional load-bearing capacity and a durable protective coating that resists rust and wear. The long 5 1/2″ length provides ample thread engagement for thick or multiple-lamina assemblies, making these screws a dependable choice for demanding projects.