Hex Head Cap Screws Grade 5 Steel Plain 3/8-16 x 2-1/4 deliver dependable joining power for a variety of projects. Crafted from durable Grade 5 steel and finished plain for maximum strength and versatility, these screws are designed to perform in indoor, dry environments where high clamping force is essential.

With a hex head for easy driving and a coarse 3/8-16 UNC thread, these cap screws measure 2-1/4 inches in length, making them suitable for thick material stacks and robust assemblies. The Grade 5 steel construction offers strong shear and tensile strength to keep assemblies secure under load.

Specifications

• Size: 3/8-16 x 2-1/4
• Material: Grade 5 steel
• Finish: Plain (uncoated)
• Thread: 3/8-16 UNC
• Head type: Hex head cap screw

Applications

• Ideal for machinery, automotive, agricultural, and equipment assemblies requiring high-strength fastening.
• Great for projects where a dependable, durable fastener is needed in dry or indoor environments.

Tips: For critical connections, consider using appropriate lubrication and torque specs recommended for Grade 5 steel to achieve optimal clamping force and prevent galling. Store in a dry area to minimize corrosion risk with plain finishes.