© BCS Motion 2011 Inch Ball Screw Assemblies • Lead Accuracy of: o +/- .004 in/ft - Standard Rolled o +/- .001 in/ft - Precision Rolled o +/- .0005 in/ft - Precision Ground • Standard diameters from 3/8” to 4” • Standard leads from 0.125” to 1.875” • Alloy and Stainless Steel Screws Metric Ball Screw Assemblies • Lead Accuracy of: o +/- 100mm/300mm - Standard Rolled o +/- 25 mm/300mm - Precision Rolled • Standard diameters from 6mm to 63mm • Standard leads from 1mm to 50mm • Alloy and Stainless Steel Screws Twin-Lead Ball Srews Twin-lead ball screws offer dual pposing motion using a single drive system. These one-piece high performance ball screws aremade from high alloy steel that is black oxided for protection. Complete ball screw and nut Assemblies