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Bolt fastening grinding wheel of resin bond for springThe product is mainly used in the manufacture of the mechanical spring.It has the characteristics of good uniformity of grinding hardness, no burn of the workpiece,2 times of the grinding ratio of the same kind of products, accurate positioning of the bolt,and so on.Bolted wheel for double-face grinder, grinding the main target, piston rings, cylinder head, bearing rings, grinding spring, compressors and other accessories, has just installed convenient, high safety factor, long life, low cost advantage Special sizes of wheel Our company can