T-type round nuts consist of a main structure, which is a circular ring, with multiple sets of threads on the inner circumference of the ring. The ring includes a combination of a cap and a pillar, and the threads are right-hand, inverted trapezoidal. The threads are formed by the trapezoidal grooves on the inner circumference, allowing for tightening without the need for additional fasteners. The structure is simple, suitable for large-scale promotion and use, and cost-effective, efficiently conserving resources, and meeting the effective use in various fields and special scenarios.

Large Diameter Shaft End T-Type Nuts Anti-Loosening Device includes a large diameter shaft, clamping body, and anti-loosening device. The product's large diameter shaft has left and right-hand threads at the E and F sections at the end. The anti-loosening device of the product consists of a set screw, tension bolt, push-out bolt, and lock nut.