Hex Head Cap Screws Grade 8 Steel Plain Fine Thread 3/4-16 x 3″ (PT) are high-strength fasteners engineered for demanding industrial and automotive applications. Crafted from Grade 8 steel with a plain, unplated finish, these screws deliver dependable performance in torque-critical assemblies where a strong, non-coated fastener is required.

Designed for precision and durability, these hex head cap screws feature a fine thread pattern for precise engagement and maximum holding power in tight tolerances. The 3/4″ nominal diameter, 3″ length, and 16 threads per inch make them ideal for a variety of equipment and machinery assemblies.

• Material: Grade 8 steel for superior strength and toughness
• Finish: Plain (unplated) finish for clean, economical performance
• Thread: Fine thread, 16 TPI, providing smooth engagement and high clamping force
• Size and length: 3/4-16 nominal diameter with 3″ overall length
• Drive: Hex head for easy tightening with standard wrenches or sockets
• Applications: Suitable for automotive, industrial, and machinery assemblies requiring high-strength fasteners
• Compatibility: Uses standard 3/4-16 nuts and tapped holes

Tip: Use with compatible nuts and clean, dry threads. Avoid cross-threading and over-tightening to preserve joint integrity. Add these Grade 8 hex head cap screws to your toolkit for reliable performance in demanding projects.