7" X 1/4" X 5/8"-11 Cubitron II Grinding Wheel (64319) - General Air Service & Supply
Amazon.com: 50 Pack Grinding Wheels 4.5" x 1/4" x 7/8" for Metal : Industrial & Scientific
Cubitron II Silver Grinding Wheel, Depressed Center – Quick Change for Right Angle Grinder – 6” diam. x 1/4” Thick x 5/8-11” Thread – Type 27 – 87447 – Pack of 10: Amazon.com: Industrial & Scientific
Walter 12E543 8" x 1" x 1" Coarse 24 Grit Bench Grinding Wheel – weldingoutfitter.com