Dalian enterprises now need 16.3 and 19.3 mm in diameter, the whole cold hard alloy bit, where can I find buyers? Leave a contact
Xi'an Jie Electrical Machinery Co., Ltd. internal cooling alloy drill, factory direct sales
We are an internal cold carbide drill production professional manufacturers, imported materials, five axis processing.
I know Zhuzhou Hua tungsten seems to have what you need. I suggest you go to see their company
