Broaching sprocket keyway.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/broaching_sprocket_oc23.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...596#post225552
https://www.homemadetools.net/forum/...027#post214047
https://www.homemadetools.net/forum/...578#post212463
https://www.homemadetools.net/forum/...463#post228296
