Description
Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 9/16-18 x 4 deliver heavy-duty performance for industrial assemblies and machinery maintenance.
These hex head cap screws are machined from Grade 8 steel for exceptional tensile strength and reliability in critical fastenings. The plain finish means no coating, ideal for installations where plating is undesirable or where a future finish will be applied in-house.
Key Features
- Size / Thread: 9/16-18 UNC
- Length: 4 in
- Material: Grade 8 steel
- Finish: Plain (uncoated)
- Head Type: Hex head, standard for high torque
- Origin: USA Made
- Applications: Heavy machinery, equipment assembly, automotive, construction
Designed to work with standard hex nuts and backing washers for secure, long-lasting joints. For best results, pair with a compatible nut and washer and follow torque specifications for Grade 8 bolts.
Choose these Hex Head Cap Screws for a dependable, high-strength fastening solution in industrial settings where performance and USA-made quality matter.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

