... CNC ToolsWe are specialized in manufacture and sale cnc tools for 10 years, maily export to Asia, ... credit in customers all round the world.ZHY CNC Tools ER20M Wrench Manufacuturer1.Three ER Wrench: type A ... , type M, type UM.2.Using SCM-440 material, with heated jaw, have high ... ER16M-BS, ER20M-BS, ER20M-BS.7.Other cnc tools: carbide end mills, carbide inserts, carbide rod, drill, ...