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The Round Bronze nut RBN RBND & LRBN nuts are compatible with the POWER lead screws. Types RBN & RBND are for use with use with mild and stainless steel screws. The cylindrical bronze nut is ideal for arduous related operations and used with good lubrication. Please ask the sales department for the correct grease type when ordering. The type RBN & RBND is manufactured from G-Cu Sn7 Zn4 Pb6 UNI 7013-72 (GB-Cu Sn7 Zn5 Pb DIN 17656). The LRBN is a physically larger nut for use with mild and Stainless steel screws and manufactured from G-Cu Sn12-(CC483K) Bronze.
(1) Total bearing surface between screw and nut teeth on plane perpendicular to axis.