Linear Shaft, System of Measurement Inch, Diameter 1 in, Shaft Type Both Ends Tapped Shaft, End Type Both Ends Tapped, Core Type Solid, Overall Length 18 in, Surface Hardness - Minimum 56 HRC, Material Stainless Steel, Finish Stainless Steel Coated, End Thread Size 3/8-16, Mounting Hole Thread Size Not Applicable, Diameter Tolerance - Minimum 0.999 in, Diameter Tolerance - Maximum 1 in, Mounting Hole Center to Center Not Applicable, Mounting Hole Center to Shaft End Not Applicable