Upgrade your fastener selection with our Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 1-1/8-12 x 3-1/2. These heavy-duty cap screws combine high-strength Grade 5 steel with a plain finish for versatile use across a range of applications, from machinery assembly to equipment maintenance.

Designed for precise engagement and dependable clamping, the fine thread (1-1/8-12) provides smooth threading and tighter tolerance compared to coarse-thread screws, ideal for projects requiring accurate alignment and secure torque transfer.

Specifications

• Head: Hex
• Material: Grade 5 steel
• Finish: Plain (uncoated)
• Thread type: Fine thread 1-1/8-12
• Diameter: 1-1/8 in
• Length: 3-1/2 in

Applications

Ideal for high-strength assemblies in industrial machinery, automotive components, heavy equipment, and general construction where reliable, long-lasting fasteners are required.

Why choose these hex head cap screws?

• High-strength Grade 5 steel: provides strong clamp load and durability
• Plain finish: versatile for a range of environments without coating interference
• Fine thread: enhanced engagement, smoother operation, and precise adjustment
• Hex head: easy installation with standard wrenches or sockets