Single edge micro drill bit, main used for HDI, improved hole location accuracy and increase service life. Single Edge Micro Drill Bit, Main Used For ...
UC type back drill bit is espical used for automotive PCB. It can solve the problem of metel twine drill bit. Improved inner hole wall quality. USC .....
ST type standrad drll bit, main used for FPC, PTFE etc. It solve the problem of metel twine drill bit effectivily. ST TYPE Standard Drill Bit Use for ...