K-T Industries 4" X 1/4" X 5/8" Metal Grinding Wheel (4" X 1/4" X 5/8")
Made with silicone carbide with two fiberglass reinforcements for maximum strength and clean grinding. Designed not to load up. Available in 4" to 7". Wheel size 4-1/2 x 1/4 Arbor 7/8. Type 27 Maximum RPM 13,300.