The ARP SAE Bolt Kit 1/4-20 x 3.500 is a top-of-the-line product that meets the highest standards of quality and craftsmanship. With a product code of 640-3500, this kit includes 12 black oxide bolts that are perfect for various applications. The socket size for these bolts is 5/16 12pt, making them easy to install and tighten securely.

With a UHL of 3.500", thread length of 1.000", and grip length of 2.500", these bolts are designed for precision and reliability. The thread diameter-pitch is 1/4-20, making them versatile for different projects. The grip diameter is 1/4" and the wrenching size is 5/16", ensuring compatibility with standard tools. The head height is 0.255" and the collar diameter is 0.515", adding to the durability and strength of these bolts.

As part of the ARP brand, you can trust that these bolts are manufactured with the highest level of expertise and attention to detail. With facilities in Southern California dedicated to forging, heat-treating, machining, quality control, finishing, and packaging, ARP ensures that each product meets their strict quality standards. Whether you're working on an engine, driveline, suspension, frame, or other automotive project, the ARP SAE Bolt Kit is the perfect choice for your fastening needs.