Steel Reducers | McMaster-Carr
Shrink the diameter of your saw blade's arbor hole to fit your saw's arbor. 7 products. Wheel Brush Arbor Hole Reducers. Adjust arbor hole size so it'll fit the shaft of your tool. 7 products. Choose from our selection of steel reducers, including over 1,200 products in a wide range of styles and sizes. In stock and ready to ship.