PBC Linear SRM50 0400 SL Linear Shaft Support Rail, Aluminum, 50 mm Shaft Dia, 400 mm Lg G6198726 Non Conducting Hardness Durometer 30 Series Non Conducting Hardness Durometer 30 Series AST RTV Sealant Type Gasket Sealant For Material Type Ceramic Duty: Its general duty classification signifies its suitability for standard applications across various environments Linear Shaft Support Rail Material Aluminum Mounting Hole Center to Center 200 mm Finish Unfinished For Use With Linear Shafting Shaft Material Carbon Steel Product Type Linear Support Rail Shaft Material Grade 1060 Standards ISO System of Measurement Metric Support Rail Material Aluminum Support Rail Drilling Undrilled Mounting Surface to Shaft Center 70 mm Mounting Hole Type Threaded Series SRM Profile Type Standard Profile Mounting Hole Center to Shaft End 100 mm Surface Hardness Minimum 60 HRC Country of Origin United States