Disston E0104584 2-1/2-Inch RemGrit Carbide Grit Arbored Hole Saws, 2-1/2mm
Price 12.80 USD
Cuts extremely hard abrasive materials. Cutting edge of tungsten carbide particles bonded to alloy steel back. High heat and abrasion resistance, no teeth to dull or chip, resists snagging and smooth cutting.