OSG HY-PRO 1/2-20 Cobalt Spiral Flute Tap TiCN Coating 2B 4P-4.5P Made In Japan
Overall Length (OAL) 3-3/8″ Coating TiCN. Thread Standard NF Chamfer 4P-4.5P. COBALT SPIRAL FLUTE TAP. Thread Cutting Part Length (THL) 1-21/32″ Flute Type Spiral. Flute Count (NOF) 2 Series/List # 13059.