Shree associates presents linear motion. Products like ball screws come in varied accuracy class and is offered from co class to c7 class in groum grade and above c7 in rolled grade. Hiwin can also offer super s series ball screws, which produce low noise and are silent compared to regular ball screws. These ball screws can be used for dn value o 1,80,000 for high-speed applications. The linear guides are of four-row design and have higher dynamic and static load rating compared to two-row design.