- 1/16" thick abrasive cutting wheels designed for cutting metal- Max 25,000 RPM- Disc dimensions: diameter is 3", thickness is 1/16" and opening for arbor is 3/8"Kobalt 5 pc Cutting Disc # 0245832 Model (SGY-AIR77JH)SKU: Kobalt 5 pc Cutting Disc 0245832 A20$6.00PriceQuantity*Add to Cart