TBR30UU box with aluminum support rail mounts bearing slide unit is straight from the box, high hardness and anti-skew axis slide unit composed of aluminum rails. High hardness axis (bearing steel high-frequency heat treatment, hardness HRC58-64, hard chrome plated, G6 diameter tolerance level) and anti-skew aluminum rails (box of high-strength anodized aluminum) is required for installation screw In the drilling shaft hardening after processing to ensure the accuracy of the product. TBR products due to low cost, short production cycle, easy to install other features, it also substitutes square linear guide. Our company TBR, SBR, SC box with aluminum support rail sliding unit holder series product specification lot, where the legend of each kind of specification products, as well as unclear, you can contact us for multi-faceted picture or parameter data.