Description
Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 5/8-18 x 2
Overview
Engineered from Grade 5 steel for high tensile strength and dependable performance, these hex head cap screws feature a plain finish (uncoated) and a 5/8-18 fine thread for precise, vibration-resistant clamping in tight assemblies. Measuring 2 inches in length, with a hex head that allows tool-friendly driving, they are ideal for machinery, equipment, and structural projects where durability matters.
Specifications
- Material: Grade 5 steel
- Finish: Plain (uncoated)
- Diameter: 5/8 in
- Thread pitch: 18 threads per inch (fine thread)
- Thread type: Fine
- Length: 2 in
- Head style: Hex head cap screw
Applications
- Automotive, machinery, and equipment assembly
- Structural and heavy-duty fastening requiring high clamp load
- Interior assemblies or environments where a plain finish is preferred
Installation & Maintenance
- Torque requirements vary; consult a fastener torque chart for 5/8-18 Grade 5 screws
- Lubricate threads to reduce galling and ease installation
- Use the correct hex driver to prevent head rounding and ensure a secure drive
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

