The JCB 400D2646 is a genuine OEM hexagon head bolt, specifically designed for secure fastening in a wide range of JCB agricultural and construction equipment. This M20 bolt features a 2.5mm thread pitch and a 70mm length (measured under the head), ensuring reliable performance and proper fitment. Manufactured to JCB's stringent quality standards, it provides robust connection for critical components in models such as the 3CX, 4CX, 531-70, 540-140, 540-170, JS130, and JS160.