[100 PKG] Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5/8-18 x 3-1/4

Meet the industry-standard fasteners: Hex Head Cap Screws Grade 8 steel Plain (USA Made) 5/8-18 x 3-1/4. Engineered for maximum strength and durability, these screws are ideal for heavy-duty assemblies in automotive, industrial, and equipment applications.

Key features

• Material: Grade 8 steel with a plain finish for versatile use
• Head type: hex head for high torque and secure tightening
• Thread size: 5/8-18 standard coarse thread for robust engagement
• Length: 3-1/4 in
• Finish: plain / uncoated steel; suitable for finish plating if required later
• Origin: USA Made

Specifications

• Product: Hex Head Cap Screw
• Grade: 8
• Material: Steel
• Finish: Plain
• Thread: 5/8-18
• Length: 3-1/4 in

Designed for high-load applications, these Grade 8 hex head screws are trusted in automotive, industrial, and construction settings. The plain steel finish provides versatility for on-site modifications, with the option to coat or plate later if required. For best results, pair with standard 5/8-18 nuts and compatible tapped holes.

Shop with confidencethese high-strength, USA-made fasteners deliver reliable clamping power for demanding jobs and are built to perform when it matters most.