Engineered for strength and reliability, this Hex Head Cap Screw is forged from Grade 8 steel and finished plain for clean, uncoated performance. The fine thread (5/8-18) provides precise engagement and smooth tightening, while the length of 3 1/4 inches (PT) delivers solid clamping power for demanding assemblies. Ideal for automotive, machinery, and fabrication projects requiring high-strength fasteners.

Key specifications

• Head type: Hex head
• Material: Grade 8 steel
• Finish: Plain (uncoated)
• Thread type: Fine thread
• Thread size: 5/8-18
• Length: 3 1/4 inches (PT)

Applications: This high-strength screw is ideal for automotive, machinery, equipment assembly, and general fabrication projects requiring robust fasteners. Choose Grade 8 steel for enhanced tensile strength and fatigue resistance in demanding environments.