SureMotion linear shafts and hardened rotary shafts are precision-ground and have a surface finish of 10RMS. Linear shafts are available in C1060 medium-carbon steel or 440C stainless steel; in 12-, 24- and 36-in lengths; and in ½-, ¾- and 1-in diameters. Rotary shafts are available in diameters up to ¾ in and in precut lengths up to 36 in. The 303 stainless steel grooved rotary shafts are available in 3- to 12-in lengths and are precision-ground, hardened and grooved for retaining rings with spacings to fit typical bearings. Hard-anodized aluminum supports are available in standard height 6061 T6 black and low-profile 6061 T6 gray designs.