About this item Cobalt M35 Material: Better than HSS M2, more sharp and durable, hardness is up to HRC67, ideal for industrial use Aluminum Titanium Nitrite Coating:Better resistance to high temperature and oxidation, resulting in longer bit life Heavy Duty 135 Degree Split Point: No need pilot hole and help reduce walking, remain better concentricity for precise drilling result Non-slip tri-flat Shank: Triple shanks have a tighter grip than round shank and are particularly suited to the machining of hard materials in industry Versatile Application: Ideal for drilling stainless steel, cast iron, steel plate, copper, aluminum, titanium,hardwood and so on Packaged properly: the bit are 17/32" diameter, 1/2 tri-flat shank, 6 inches in overall length, in a plastic storage case with a sticker indicating the size More suggestions: Use lubricant for cutting or cooling to make the cutting process easier, improve smoothness, and enhance dimensional accuracy. This can also help extend the service life of the tool, Usually no need special maintenance Overview Material: Cobalt Steel Finish Type: Gold Oxide Shank Type: 3-Flat Cutting Angle String: 135 degrees Brand: Sinyeenglon
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