Engineered for heavy-duty fastening, Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated 1-1/4-7 x 3-1/4 deliver exceptional strength and reliable performance in demanding assemblies. Crafted from Grade 8 steel and finished with a zinc yellow plating, these screws resist wear and corrosion while providing a durable, secure thread engagement. Size: 1-1/4 in diameter, 7 threads per inch, 3-1/4 in long.

Key specifications

• Diameter: 1-1/4 in
• Thread pitch: 7 TPI (UNC)
• Length: 3-1/4 in
• Material: Grade 8 steel
• Finish: Zinc yellow plated
• Head type: Hex

Applications include heavy equipment, machinery, automotive, and construction projects where high strength fasteners are required. The hex head design allows for easy driving with standard wrenches and provides superior torque transfer for secure fittings. The zinc yellow plating offers corrosion resistance for moderate environments, helping extend service life in demanding settings.

Order with confidence for a dependable, high-performance fastening solution that stands up to tough jobs.