[供应]供应8 1/2寸（216mm）镶齿钢齿牙轮钻头，打井钻头

供应直径93mm,95mm,98mm,114mm,118mm,120mm,140mm,152mm,165mm,190mm,200mm,216mm,241mm,250mm,269mm,295mm,311mm,346mm,393mm,406mm,445mm等各种规格镶齿，钢齿三牙轮钻头,齿形丰富，品种，欢迎来电咨询。