Description
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 confidence—these high-strength, USA-made fasteners deliver reliable clamping power for demanding jobs and are built to perform when it matters most.
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800-222-0324

