Engineered for heavy-duty assemblies, the Hex Head Cap Screws Grade 8 Steel Plain 1 3/8-6 x 11″ (PT) deliver exceptional strength and reliability in demanding environments.

Key Features

• Grade 8 steel construction provides high tensile strength and durability for critical fastenings.
• Plain finish (uncoated) allows easy coating, plating, or painting to suit your application.
• 1 3/8 in diameter, 6 TPI thread engagement ensures robust performance in heavy loads.
• 11 in length suits deep-fastening applications and thick components.
• Hex head design enables fast, tool-assisted installation with standard wrenches.

Specifications

• Head type: Hex Head Cap Screw
• Material: Grade 8 steel
• Finish: Plain
• Diameter: 1 3/8 in
• Thread pitch: 6 TPI
• Length: 11 in
• Drive: Hex (across-flats)
• Part/Code: PT

Applications

Ideal for automotive assemblies, heavy equipment, machinery, and construction projects where high-strength fasteners are required. The plain finish makes these screws versatile for customization, coating, or plating to fit your specific build.

Why Choose Grade 8

Grade 8 steel delivers superior tensile strength for demanding applications, ensuring reliable performance under heavy loads. Pair these with compatible nuts and washers for a secure, long-lasting connection in your toughest projects.