Norton Blue Fire Plus Depressed Center Abrasive Wheel, Type 27, Zirconia Alumina and Aluminum Oxide, 5/8"-11 Hub, 4-1/2" Diameter x 1/4" Thickness (Pack of 10)

Exceed expectations with the extended life of this BlueFire ZA/AO Type 27 grinding wheel. Its advanced zirconia alumina and premium aluminum oxide abrasive blend produces a tough face that can last up to two or three times the working life of pure aluminum oxide wheels. This wheel's 1/4 inch central depression gives it just the right shape for a convenient 30-degree angle grind for light-to-heavy duty jobs. Useful across a range of applications, this versatile grinding wheel for your right angle grinder is ideal for working with hard and soft steel alloys, including the 400-series and hard carbon steel mixes. Package of 10.