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COVID-19: How Kennametal is responding
Beyond™ Solid Carbide Spiral-Flute Taps • Blind Holes
Beyond™ Solid Carbide Spiral-Flute Taps • Blind Holes
Beyond™ Solid Carbide Spiral-Flute Taps • Blind Holes
Beyond™ Solid Carbide Spiral-Flute Taps • Blind Holes

High-Performance Taps

Beyond™ Solid Carbide Spiral-Flute Taps • Blind Holes

Metric
Inch
SAP Material Number 3482959
ISO Catalog Number T331NC2500-20R3BX
ANSI Catalog Number T331NC2500-20R3BX
Grade KC7542
[D1-TDZ] Thread Diameter Size 1/4 - 20
[L] Overall Length 70.0000
[L] Overall Length 2.755
[L3] Thread Length 10.0000
[L3] Thread Length .3937
[L2] Useable Length 24.0000
[L2] Useable Length .9449
[D] Adapter / Shank / Bore Diameter 6.35
[D] Adapter / Shank / Bore Diameter .25
[Z] Number of Flutes 3
Thread Tolerance Class ANSI 3BX
See all Product Variants

Uses and application

  • Tapping: Blind HoleTapping: Blind Hole
  • HMHM
  • Chamfer Form C (2–3)Chamfer Form C (2–3)
  • Tapping Helix Angle: 45°Tapping Helix Angle: 45°
  • Through Coolant: Axial: TappingThrough Coolant: Axial: Tapping
  • Class of Fit: 3BXClass of Fit: 3BX
  • Manufacturer’s Specs: UNFManufacturer’s Specs: UNF
  • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC

Workpiece Material

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Features and benefits

  • KC7542 TiAlN + TiN for steel.

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