Somta Series 571 – HSS Bottom Tap BSP-G 1/4″ x 19 TPI

SKU: 5710643

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Sale price$59.29

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Description

HSS Bottom Tap BSP-G 1/4″ x 19 – Somta Series 571

The SOMTA 5710643 – 1/4″ x 19 BSP-G HSS Bottom Tap is designed for producing full-depth, high-precision parallel pipe threads in blind holes. Ideal for sealing or pressure applications, this bottoming tap features a short chamfer that enables thread cutting close to the hole base. Crafted from premium High-Speed Steel (HSS), it provides excellent wear resistance and a long service life, making it suitable for tapping in steel, cast iron, brass, and non-ferrous alloys.

Key Features Benefits

  • Bottoming Chamfer (1–2 Threads) – Enables full-depth thread cutting in blind-hole applications.
  • BSP-G Thread Form – British Standard Pipe Parallel thread, 1/4″ diameter with 19 TPI.
  • Straight Flute Geometry – Promotes clean chip evacuation and consistent thread formation.
  • High-Speed Steel (HSS) – Offers superior cutting edge retention and toughness under load.
  • Bright Finish – Enhances surface finish and reduces friction during cutting.
  • Hand or Machine Compatible – Suitable for manual tap wrenches, tapping arms, or CNC machines.

Technical Specifications

  • Part No: 5710643
  • Thread Size: 1/4″ x 19 TPI
  • Thread Standard: BSP-G (British Standard Pipe – Parallel)
  • Tap Type: Bottoming (short chamfer for blind holes)
  • Flute Style: Straight flute
  • Cutting Direction: Right-hand
  • Material Finish: High-Speed Steel (HSS), Bright
  • Standard: ISO 228 / BS 2779

Why Choose the SOMTA 5710643 BSP-G Bottom Tap?

  • Optimized for Blind Holes – Short chamfer allows threading near the bottom of the hole.
  • Reliable BSP Threading – Ensures leak-tight and dimensionally accurate pipe threads.
  • Durable HSS Construction – Delivers consistent results even under repetitive use.
  • Versatile Use – Suitable for general engineering, plumbing, and hydraulic system fabrication.

The SOMTA 5710643 is your go-to tool for producing precise, full-depth BSP parallel threads in blind-hole pipe fitting applications. Built to last, it's trusted in workshops and production environments alike.

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