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      Beyond™ Solid Carbide Left-Hand Spiral-Flute, Right-Hand Cut Taps • Through Holes
      Beyond™ Solid Carbide Left-Hand Spiral-Flute, Right-Hand Cut Taps • Through Holes
      Beyond™ Solid Carbide Left-Hand Spiral-Flute, Right-Hand Cut Taps • Through Holes
      Beyond™ Solid Carbide Left-Hand Spiral-Flute, Right-Hand Cut Taps • Through Holes

      T320 • Inch • Form D Plug Chamfer

      Beyond™ Solid Carbide Left-Hand Spiral-Flute, Right-Hand Cut Taps • Through Holes

      Metric
      Inch
      SAP Material Number 3031906
      ISO Catalog Number T320NC03125-18R3BX
      ANSI Catalog Number T320NC03125-18R3BX
      Grade KC7542
      [D1-TDZ] Thread Diameter Size 5/16 - 18
      [L] Overall Length 80.0000
      [L] Overall Length 3.150
      [L3] Thread Length 17.0180
      [L3] Thread Length .6700
      [L2] Useable Length 27.9400
      [L2] Useable Length 1.100
      [D] Adapter / Shank / Bore Diameter 7.938
      [D] Adapter / Shank / Bore Diameter .3125
      [Z] Number of Flutes 3
      Thread Tolerance Class ANSI 3BX
      See all Product Variants

      Uses and application

      • Tapping: Through HoleTapping: Through Hole
      • HMHM
      • Chamfer Form D (3.5–5)Chamfer Form D (3.5–5)
      • Tapping Helix Angle: L15°Tapping Helix Angle: L15°
      • Flood Coolant: TappingFlood Coolant: Tapping
      • Class of Fit: 3BXClass of Fit: 3BX
      • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC

      Workpiece Materials

      P Steel

      Features and benefits

      • KC7542 TiAlN + TiN for steel.

      Machine Side

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      Workpiece Side

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      Grades

      • KC7542

        Coated carbide. PVD — multilayer coating with TiAlN and TiN over a high-strength carbide substrate specifically designed for tap application. Use in steel up to 32 HRC and cast iron at four times faster speeds than HSS-E-PM taps.

        P Steel
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