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High Resistance UNC Machine Taps

High Resistance UNC Machine Taps

HR-SERIES UNC (Unified National Coarse) machine taps are designed for tapping difficult materials including alloy and hardened steels <HRc52, grey cast iron, high silicone aluminium, bronze & copper alloys.

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The YG-1 TD244 series UNC High Resistance Machine Taps are suitable for tapping Alloy & Hardened Steels ...

  • UNC High Resistance Machine Tap
  • HSS 5% Cobalt Substrate
  • Spiral Point for Through Holes
  • TiN Coated
  • Suitable for Alloy & Hardened Steels <350HB, Hard Stainless Steel, Phosphor Bronze & Thermoset Plastics


Overall Length (mm)56 - 180
Flute Length (mm)11 - 40
Shank (mm)3.5 - 22

From £17.14 £14.28