Dylan2077 Posted July 10, 2015 Report Share Posted July 10, 2015 What is spline drive? Quote Link to comment Share on other sites More sharing options...
comp56 Posted July 10, 2015 Report Share Posted July 10, 2015 it is just an industrial version of a union, in a drill for a more solid drive transition see the difference in the pic These shanks were developed in order to allow for the bit to "slide" back and forth while rotating, so that the drill bit can efficiently transfer the force of the electro-pneumatic hammering mechanism to the working surface Quote Link to comment Share on other sites More sharing options...
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