- Made of high-speed steel that provides better performance and greater service life when using it on machinery ,- Chamfered teeth for easy start,- High-speed steel provides, compared to carbon steel, higher resistance to friction and torsion,- These taps are used for creating a conical thread in a wide variety of pipe fittings
- Made of alloy steel for higher resistance and durability,- Robust walls with adequate depth both at the hexagon and the square,- 1 drive square, 1-3/16 Hexagon