Approved Vendor KV1LCA4 Metal Pipe Straight, 3 8 in x 3 8 in, Threaded x Threaded, Class 300, Union, Malleable Iron 5C905 Item Threaded Insert Tool Item Threaded Insert Tool For Use With FrelonGOLD(R) Linear Plane Bearings and Pillow Blocks Shaft Material Grade 440 Shaft Material Stainless Steel Rail End to Hole 75 mm System of Measurement Metric Product Type Linear Shafting Support Rail Assembly Support Rail Material Aluminum Shaft Drilling Pre Drilled Shaft Hole Spacing 150 mm Standards ISO Support Rail Drilling Pre Drilled Shaft Hardness RC 60 Compatible Series FrelonGOLD(R) Linear Plane Bearings and Pillow Blocks Shaft End to Hole 75 mm Country of Origin United States Pipe Size (Fittings) 3 8" Pipe Size Pipe Fitting 3 8 in Fitting Side B Nominal Pipe Size 3 8 in Pipe Size 3 8" Fitting Side A Nominal Pipe Size 3 8 in MFR # 1LCA4 Zoro # G1027564 UPC # 190735912119 Country of Origin Thailand Specific Fitting Shape Union Fitting Connection Type FNPT Pipe Fitting Material Malleable Iron Class Class 300 Standards ASME B16 Pressure 600 psi@150 Degrees F Temp