BFL Solid Carbide NC Spot Drill Bits,For More Information ，PLS View:https://www.alibaba.com/product-detail//BFL-freza-Solid-Carbide-Spot-Drill_1600251469277.html?spm=a2793.11769229.0.0.30a23e5fCJ5caZChangzhou North Carbide Tool company limited is an integrated enterprise not only specialized in Research& Development, but also good at manufacturing solid carbide cutting tools.