BLU-MOL Hole Saws: Hole Saw Bit: BLU-MOLs 2-9/16 in. Standard Tungsten Carbide Hole Cutter 3196
Tungsten carbide tips have excellent wear and heat resistance. They are light, smooth cutting entry with great boring speed. These are for cutting stainless steel, steel, aluminum and cast iron up to 3/16 in. (4,5 mm) thick.