HSS Straight Flute UNC (Unified Coarse) Ground Thread Tap Set | | 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. | | Features | • Bright Finish | • Set contains 1 of each Taper,Second,Plug | • Manufactured to ISO 529 | • Ground thread | 1 each, taper, second and plug lead.