Click to expand Tap to zoom W-5/8" Hex Bore Weld Hub Sale $18.50 SKU W-5/8-HX 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Weld on hubs are often attached to pulleys, sheaves, and sprockets to provide a tapered bore to match the tapered outer surface of the bushing. Bore: 0.625" Outside Diameter: 1 3/4" Free shipping in the USA!