Carmex External Right Hand Whitworth Thread Turning Insert 19 TPI / 16 ER 19 W P25C

SKU: 16 ER 19 W P25C

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Sale price$26.60

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Description

External Thread Turning Insert – Whitworth Profile (19 TPI)

The 16 ER 19 W P25C is a finely engineered external threading insert designed to produce accurate 19 TPI Whitworth threads. Built to BS 84 standards with a 55° included angle and rounded crest and root, it is ideal for threading applications in pipe fittings, valves, mechanical fasteners, and other components requiring legacy British thread forms.

Crafted from P25C-grade carbide, this insert offers a strong balance of toughness and wear resistance, making it a dependable choice for general-purpose machining in a range of materials. With a 16 mm length, 3/8" I.C., and optimized X and Y dimensions of 0.8 mm and 1.0 mm, it ensures smooth chip flow, precise thread profile generation, and stable performance even in fine-pitch operations.

Key Features:

  • Ordering Code: 16 ER 19 W P25C
  • Thread Type: Whitworth (BS 84 Standard)
  • Profile: 55° included angle with rounded root and crest
  • Insert Type: External
  • Hand: Right Hand
  • L: 16 mm
  • I.C.: 3/8"
  • Pitch (TPI): 19
  • X: 0.8 mm
  • Y: 1.0 mm
  • Carbide Grade: P25C
  • Applications: External threading of fine-pitch Whitworth threads for classic fittings, instrumentation, and restoration parts
  • Key Advantage: P25C-grade insert optimized for precision and tool longevity in fine-thread British-standard applications

Carmex Precision Tools Ltd. is a global leader in high-accuracy threading tools. Their Whitworth insert series ensures durable and consistent threading performance for legacy standards still relied on in many industries worldwide.

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