【Feature】Standard thread design, made of High-speed steel with high hardness and toughness, provide rapid chip removal for efficient threading.
【Application】use to repair bicycle pedal cranks threads, clean out or restore damaged threads within the crank arms.
【Usage】Can be used with manual equipment or special processing consoles for tapping, Appropriate addition of coolant can extend the service life when tapping.
【Package Included】 9/16-20 UN Right Hand Tap * 1, 9/16-20 UN Left Hand Tap * 1.