PBC Linear NIPDM12 0300 SL Pre Drilled Linear Shaft, Polished Carbon Steel, 12 mm Dia, 300 mm Lg 736 6 normally open and normally closed normally open and normally closed Inside Diameter 3 Lined Bearings Surface Roughness 8 12 RMS Shaft Material Carbon Steel Shaft Drilling Pre Drilled Shaft Hole Spacing 120 mm Shaft Material Finish Polished Standards ISO Product Type Linear Shaft Shaft Material Grade 1060 System of Measurement Metric Shaft End to Hole 60 mm Series NIPDM Mounting Hole Center to Shaft End 60 mm Mounting Hole Type Tapped Surface Hardness Minimum 60 HRC Weight Per Meter 0 Diameter Tolerance Maximum 0 mm