Linear Shaft Support Bolt Size M3 Finish Black Anodized Flange Length 40 mm Flange Thickness 5.5 mm Flange Width 12 mm Material Aluminum Mounting Hole Center to Center Distance 17 mm Mounting Hole Dia (mm) 5.5 mm Mounting Surface to Shaft Center (In.) 20 mm Nominal Inside Diameter 12 mm Overall Height (In.) 30 mm Series SBLM System of Measurement Metric Top Length 22 mm Type Top-Loading