HEAVY DUTY STRAIGHT GRINDING WHEELS TYPE 1 A/O
A/O for Air Electric Grinders. HEAVY DUTY STRAIGHT GRINDING WHEELS TYPE 1 A/O. AA Abrasives Premium Aluminum Oxide Straight Type 1 Grinding Wheels are reinforced and resin bonded. A24R grain is designed for tougher metals where consistent stock removal and wheel life is important. A24R grain is our most popular seller.