Shaft with one keyway
<img src="https://eng-calculations.com/SVG/Roark(and39)s_formulas_for_Stress_and_Strain/Formulas_for_torsional_deformation_and_stress_(TABLE_10(and46)1)/Shaft with one keyway.svg" alt="Shaft_with_one_keyway" title="Shaft_with_one_keyway">
https://eng-calculations.com/SVG/Roark(and39)s_formulas_for_Stress_and_Strain/Formulas_for_torsional_deformation_and_stress_(TABLE_10(and46)1)/Shaft with one keyway.svg