Engineered for strength in demanding assemblies, these Hex Head Cap Screws are crafted from Grade 5 steel with a plain finish and fine thread, sized 1-1/8-12 x 4-1/2 in. This combination delivers reliable performance where precision and durability matter.

The hex head design provides a secure drive and high torque tolerance, making them ideal for applications that require a robust fastener with a clean, flush appearance once installed.

Specifications

• Size: 1-1/8-12 x 4-1/2 in
• Thread: Fine thread (12 TPI)
• Material: Grade 5 steel
• Finish: Plain
• Head style: Hex head

Applications & Benefits

• Strong, durable fasteners suitable for machinery, automotive assemblies, and general equipment construction
• Plain finish provides versatility across a wide range of materials and environments
• Fine thread offers precise engagement and improved clamping in thinner materials
• Commonly used in bolted joints where high shear and tensile strength are required

Installation Tips

Use the correct sized wrench or socket for a secure fit and apply appropriate lubrication to reduce friction during tightening. Note that plain steel is not corrosion-resistant, so consider a protective coating or finishing option for outdoor or moisture-prone applications.