5/8" - 24 HSS Right hand thread Tap 5/8 - 24 TPI</br>24 Thread Per Inch</br></br>Product Description</br></br>Brand new 5/8" - 24 HSS Right hand thread Tap 5/8 - 24 TPI.</br><br/>http://www.amazon.com/gp/product/B008B1NIRW