[Features] ● Combines a spherical washer and a conical sheet. ●Used when the bolt and the bearing surface are not perpendicular. ●Always make full use of its functions. ●Assembly and installation are easy and rational. ● Inventory management is easy. ● Corrects the angle of the bottom up to about 4 degrees.
[Applications] ● For fixing bolts on inclined surfaces such as castings and straps.