Product description:1.Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer. 2.No center punch is needed—the aggressive 135° Quick-Cut points are self-centering.
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Contact: David Yu
Phone: +86-139-52828006
Tel: +86-139-52828006
Add: Houxiang, Danbei Town, Danyang City, Jiangsu, China, 212300