PBC Linear NIL12 072.000 Linear Shaft, Solid, 3 4 in Dia, 72 in Lg, Carbon Steel, Polished 951770 031 lb Operating Temperature 031 lb Operating Temperature Minimum 0 Degrees F Tolerance Class L Operating Temperature Maximum 400 Degrees F Series NILSS Surface Hardness Minimum 50 HRC Roughness 8 12 uin RMS Shaft Type Solid Shaft Core Type Solid Country of Origin United States Heat Detector Range (F) 0 Degrees 400 Degrees F Type Solid Shaft System of Measurement Inch Surface Roughness 8 uin Roughness 8 12 uin RMS Operating Temperature Minimum 0 Degrees F Surface Hardness Minimum 60 HRC End Type Plain Ends Shaft Type Solid Shaft Tolerance Class L Series NIL Core Type Solid Operating Temperature Maximum 400 Degrees F Weight Per Inch 0 Surface Hardness Minimum 60 HRC