How To Build a Surface Grinder Lead Screw P1 - YouTube
1/4″-20 Set Screw (Included) 6061 T6 Aluminum; Manufactured in an ISO9001:2008 CNC Factory; Made In The U.S.A.! 4″ diameter crowned aluminum tracking wheel commonly used on 2″x72″ belt grinders. Lightening cuts are machined into the front and back of the wheel to make it the lightest aluminum 4″ tracking wheel on the market.