Widely used as spindle, ball screw and bearing lock, these angle locking nuts are one of our popular products. We - Hsiang Kai Fu Co., Ltd. are a leading manufacturer, supplier and exporter from Taichung, Taiwan. These are precision engineered at our facility. We use top grade steel and other material to produce the best quality nuts. These conform to the industry standards of ISO4H and they can last for more than ten years, if used properly. Angle locking nuts are also known as self-locking nut and prevailing torque nut. These are known for resisting the loosening under the effects of torque and vibrations.