Surface Roughness : Ra 0.2 Torque Capacity : M6X12X21.5 Structure : Deep Groove Model Number : CFS6V/KR12 Coatings : No Material : Stainless Steel Origin : Mainland China Model : CFS6V/KR12 Accuracy level : ABEC-7 Screw Outer Diameter : M6 Outer Diameter : 12 mm Length : 21.5 mm Weight : 12 g Bearing material : Stainless Steel AISI304 Welcome to Lingfeng Store