Norton 3657 NorKut Grinding Discs 3 Inch 36 Grit 20 Pack

The Norton 3657 NorKut grinding discs deliver professional-grade performance for metalworking and automotive applications. This package includes 20 discs, each 3 inches in diameter with aggressive 36 grit abrasive for fast material removal.

Key Features:

• NorZon grain technology provides fast cutting action and extended disc life
• Resin-bonded construction with crack-resistant backing ensures durability under demanding use
• Discs can be cut down to any size up to the 1-inch core for custom applications
• Leftover cores are perfect for grinding pinch welds and hard-to-reach areas
• Includes two quick-change mandrels for versatile tool compatibility
• 7/16"-20 thread mandrel fits hand-held pneumatic grinders
• 1/4" mandrel designed for automotive drills

These grinding discs are ideal for weld grinding, deburring, surface preparation, and general metalworking tasks. The rugged NorZon abrasive grain maintains sharp cutting edges throughout the disc's life, while the reinforced backing resists cracking even under aggressive use.