Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake 5/16-18 x 6″ (PT) are high-strength fasteners designed to deliver reliable performance in demanding industrial and automotive applications. The zinc yellow baked-on coating provides corrosion resistance and a durable, bright finish that resists wear in harsh environments.

Featuring a hex head for easy drive with standard wrenches or sockets, these screws are built from Grade 8 steel for exceptional strength and toughness.

Key features

• Material: Grade 8 steel for outstanding strength
• Finish: Zinc Yellow Bake coating for corrosion resistance
• Head type: Hex head cap screw for reliable driving and torque
• Size: 5/16-18 (UNC)
• Length: 6 inches
• Designation: PT

Specifications

• Thread type: UNC
• Finish: Zinc Yellow Bake
• Material: Grade 8 steel

Applications: Ideal for automotive, machinery, and industrial fastening where high strength and long-term reliability are essential. Use these screws to ensure secure, durable joints in heavy-duty assemblies and equipment.