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About product and suppliers:
        Alibaba.com offers 1,287 involute spline products. About 5% of these are hob, 5% are shafts, and 2% are broach. 

A wide variety of involute spline options are available to you, such as spline, gear, and flexible. You can also choose from black oxide, nickel. As well as from aluminium, steel, and stainless steel. And whether involute spline is free samples. 

There are 1,287 involute spline suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of involute spline respectively. 

Involute spline products are most popular in Domestic Market, Eastern Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 413 with ISO9001, 71 with ISO14001, and 15 with Other certification.