• Thread Size (Inch): 1/2"-20
• Thread Limit: H8
• Finish/Coating: Bright
• Material: High Speed Steel
Extended life results from tap geometry that allows optimum cutting performance and close control over tapped hole size. Superior wear resistance, heat treated for toughness. • Used for thread forming in copper, brass, aluminum, die castings, leaded steels, low carbon steels and stainless steels • Bright finish • Premium High Speed Steel