PBC Linear MR12R 1000 Miniature Profile Guide, Size 12, 1,000 mm Length, 12 mm Width, Aluminum 5192925 ASTM D3767 ASTM D3767 Lined Bearings Surface Roughness 8 12 RMS Shaft Material Carbon Steel Shaft Hole Spacing 200 mm System of Measurement Metric Product Type Linear Shaft Standards ISO Shaft Material Finish Polished Shaft End to Hole 100 mm Shaft Drilling Pre Drilled Shaft Material Grade 1060 Surface Hardness Minimum 60 HRC Roughness 8 12 uin RMS End Type Plain Ends Core Type Solid Shaft Type Pre Drilled Shaft Mounting Hole Type Tapped Number of Mounting Holes 3 Weight Per Meter 5 5 mm Overall Length 1 Miniature Profile Guide