【Material】- The twist drill is made of M35 high-speed steel, with high wear resistance, toughness and bending strength. And has a surface treatment using grinding and roasted yellow processes. Hardness up to 68.
【Equal Reduced Shank】- Equal reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes.
【Advantage】- High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance, grinding and roasted yellow can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
【Versatile Uses】-For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass and metal materials, as well suit for wood, plastic.
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