Type D: Groove
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Type D(and58) Groove.svg" alt="Type_D(and58)_Groove" title="Type_D(and58)_Groove">
https://eng-calculations.com/SVG/EN/EN_1092-1/Type D(and58) Groove.svg
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Type D(and58) Groove.svg" alt="Type_D(and58)_Groove" title="Type_D(and58)_Groove">
https://eng-calculations.com/SVG/EN/EN_1092-1/Type D(and58) Groove.svg