High speed steel (HSS) ground thread engineering threading taps. Suitable for general purposes. Right and left hand threads. ISO 529, DIN 376 and BS 949 formats. In stock for threads Metric, UNC, UNF, UNEF, UNJF, UNS, BSW, BSF, BA, BSCY, BSB, ME, BSP, BSPT, NPS, NPSF, NPT, PG, Trapezoidal. Custom manufacture available on request.