1. polished flutes, full carbide drill, brazed carbide drill.
2. coating - bright, altin, ticn, tialn nano, altin+, tin.
3. can perform machining tolerance of h5, h7.
sizes available from 1.14 - 25 mm and length 15xd - 80xd for all kinds of materials pmknsh.
refined lubricating oil
i am a seller of refined lubricating oil. anybody needs engine oil, hydraulic oil, gear oil, or any lubricating oil.