PFERD Depressed Center Wheel, Series: Performance Line SG, 4-1/2 in Wheel Dia, 1/4 in Wheel Thickness, 7/8 in Center Hole, 24 Grit, Coarse Grade, Aluminum Oxide Abrasive, Wheel Type Number: Type 27, 13300 rpm Maximum, Resin Bond, Applicable Materials: Non-Ferrous Metals, Soft, Tough and Hard Aluminum, Wheel Hardness: N, Yes Reinforced, ANSI Specified Specifications Met

ITEM FEATURES:

• Recommended for soft, tough and hard grades of aluminum, hardness grade N offers an excellent balance of aggressive removal and good service life
• Aggressive, non-loading grinding performance on aluminum and all soft metals
• Paraffin-free design leaves residue-free surface for immediate welding without secondary surface cleaning operation