Description
Engineered for demanding applications, our Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake Fine Thread (USA Made) 5/8-18 x 4 delivers unmatched strength and dependable performance in heavy-duty assemblies.
Constructed from Grade 8 steel, these hex head cap screws offer superior tensile strength that stands up to high clamping forces and tough operating conditions. The zinc yellow baked finish provides corrosion resistance while giving a distinctive yellow-gold appearance that helps with identification and maintenance.
Designed with a fine thread for precise clamping and smooth installation, these 5/8-18 x 4 screws are ideal for thinner materials and clean assemblies. Made in the USA, they meet strict manufacturing standards for quality and consistency.
Key Features
- Material: Grade 8 steel for maximum strength
- Finish: Zinc yellow baked coating for corrosion resistance
- Thread: Fine thread (5/8-18) for precise engagement
- Head: Hex head for straightforward driving with standard tools
- Size: 5/8-18 x 4 inches
- Origin: USA Made
Applications & Benefits
- Ideal for automotive, industrial, machinery, and construction assemblies requiring high-strength fasteners
- Resists loosening under vibration when paired with standard nuts and washers
- Easy to inspect and replace due to consistent dimensions and finish
Specifications
- Grade: 8
- Finish: Zinc yellow baked
- Thread: Fine thread
- Head type: Hex
- Size: 5/8-18
- Length: 4 inches
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324