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About product and suppliers:
        Alibaba.com offers 1,253 spline coupling products. About 41% of these are shaft couplings, 1% are pipe fittings, and 1% are other general mechanical components. 

A wide variety of spline coupling options are available to you, such as disc, gear, and jaw / spider. You can also choose from steel, stainless steel, and aluminium. As well as from standard, nonstandard. And whether spline coupling is flexible, or rigid. 

There are 1,262 spline coupling suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and India, which supply 99%, 1%, and 1% of spline coupling respectively. 

Spline coupling products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 565 with ISO9001, 235 with Other, and 71 with ISO/TS16949 certification.