Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake (USA Made) 7/8-9 x 4 are premium, high-strength fasteners engineered for demanding assemblies. These hex head cap screws deliver superior load capacity and dependable performance in automotive, industrial, and machinery applications. Made in the USA, they combine robust alloy steel with a durable zinc yellow baked coating for corrosion resistance and long service life.

Key specifications

• Material: Grade 8 steel for exceptional strength and fatigue resistance.
• Finish: Zinc yellow baked coating for corrosion resistance and a bright, machinist-friendly appearance.
• Size: 7/8″ diameter, 9 threads per inch, 4″ length (overall).
• Drive type: Hex head for high torque and easy installation with standard tools.
• Manufacturing: USA made to ensure quality control and traceability.

Typical applications

Ideal for heavy-duty fastening in engine compartments, equipment frames, agricultural machinery, fabrication projects, and other industrial settings where high-strength fasteners are needed. The Grade 8 steel and zinc yellow baked finish provide excellent performance in damp or outdoor environments.