PBC Linear SRM40PD 0600 SL Pre Drilled Linear Shaft Support Rail, Aluminum, 40 mm Shaft Dia, 600 mm Lg 52DD36 Pressure (CWP) 200 psi Operating Pressure (CWP) 200 psi Operating Temperature 33 to 140 °F Stem Type Non Rising Stem Material Stainless Steel Wedge Style Resilient Wedge Material Cast Iron Handle Type Wheel Handle Material Cast Iron Handle Diameter 7 Masonry Functional Cure 5 min 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 Pre Drilled Mounting Surface to Shaft Center 64 mm Mounting Hole Type Threaded Series SRMPD Profile Type Standard Profile Mounting Hole Center to Shaft End 100 mm Surface Hardness Minimum 60 HRC Rail End to Hole 100 mm Country of Origin United States