Sherwood HSS Taps are the general purpose option for thread cutting in most materials including steel, some stainless steels, cast irons and non-ferrous materials such as Aluminium, Brass and many others. Manufactured with a black oxide finish to resist heat, the spiral point for excellent sheering action. Features and Benefits Manufactured from durable high speed steel Precision ground flutes for accurate thread cutting Spiral point for excellent sheering action Manufactured with a black oxide finish Typical Applications Tapping Steel Brass Aluminium Engineering Manufacturing Standards Tap dimensions to ISO529 Straight Flute Individual Sizes IS0 529 Notes Available in sizes 1.6 x 0.35mm - 24 x 3.00mm (1) Diameter and pitch not mentioned in ISO