The Soc HD Cap Screw 4in J239 is a robust fastening solution designed for heavy-duty applications. Manufactured by REX INTERNATIONAL USA INC, this cap screw is specifically designed for the J239 model, ensuring a perfect fit. Crafted from high-strength materials, it offers exceptional durability and resistance to shear forces, making it ideal for securing components in demanding environments. The screw's dimensions are optimized for compatibility with standard tools, allowing for easy installation. This cap screw is essential for maintaining the structural integrity of your machinery, providing reliable fastening solutions.