The Taiwan Shangyin Silent Heavy Load Ball Linear Guideway HIWIN is predicated on a four row single arc enamel touch design, and is advanced as a high-performance linear slide rail to improve rigidity. The QH sequence ball linear instruction manual rail equipped with a patented synchronous coupling with oil storage function using SynchMotion know-how can effectively reduce time noise, upgrade operation smoothness, lifespan, and lubrication efficiency. The QH sequence ball linear handbook rail using SynchMotion technology has a much broader range of applications and is extra appropriate for high-tech industries with high speed, tranquility, and low engine demand.QHW30HC FeaturesQH sequence silent heavy-duty linear guide rail mannequin letter represents explanation: QH represents excessive organization silent W represents flange number followed by C represents regular slider H represents prolonged slider, B represents slider set up gap is thru gap can solely be locked down (without thread).