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| Qualities |
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 Bimetal Hole Saws are manufactured using the superior M3 quality of High Speed Steel that is better than the conventional M2 grade. The M3 cutting edge has higher alloying elements that enhances the performance considerably and is useful for cutting aluminum, bakelite, brass, bronze, cast iron, mild steel, plastic, wood, etc. |
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Cobalt Hole Saws have 8% Cobalt in addition to normal alloying elements that can sustain higher temperatures, has more hardness and greater wear resistance. They are therefore recommended for cutting difficult materials like cast steels, duralium, hardwood, inconel, inox, non-ferrous alloys, plaster of paris, stainless steel, etc. |
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