PFERD Special Line SG-PLUS Depressed Center Wheel, 7 in Wheel Dia, 1/4 in Wheel Thickness, 24 Grit, Extra Coarse Grade, Aluminum Oxide/Zirconia Alumina Abrasive, Wheel Type Number: Type 27, 8600 rpm Maximum, Resin Bond, Applicable Materials: Steel, 5/8-11 Center Hole Thread Size, Wheel Hardness: R, Yes Reinforced, ANSI Specified Specifications Met

ITEM FEATURES:

• High performance blended zirconia grinding wheel for fast and free cutting performance that outlasts aluminum oxide wheels 2 to 1
• Economical performance to price ratio lowers overall cost
• Best when used on high powered angle grinders