latest 60-Pc Master Tap and Die Set - Include SAE Inch Size #4 to 1/2”.​

Brand New PREMIUM MATERIAL AND DURABILITY - Industrial grade GCr15 bearing steel construction ensures durability and tool longevity to withstand professional uses EXCELLENT CUTTING PERFORMANCE - All cutting teeth are precisely CNC machined and accurately heat treated to Rockwell hardness 60 HRC for best threading performance VERSATILITY AND TAPERED TEETH DESIGN - faultless to create new threads or repair damaged threads on most metals like carbon steel, cast iron, aluminum, brass, copper and stainless steel; Taps (for internal threads) and Dies (for external threads) feature with tapered teeth that start threading more easily MOST POPULAR SIZES - Set includes (20) Metric taps and dies: M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.25, M9x1.25, M10x1.0, M10x1.5, M12x1.75; (20) SAE Fractional taps and dies for coarse thread (UNC): 4-40 NC, 6-32 NC, 8-32 NC, 10-24 NC, 12-24 NC, 1/4-20 NC, 5/16-18 NC, 3/8-16 NC, 7/16-14 NC, 1/2-13 NC; (12) SAE Perfect for everyday use. supreme materials and excellent craftsmanship ensure long-lasting durability.