Somta Series 531 – HSS Taper Tap BSF ½″ x 16

SKU: 5311271

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Sale price$39.03

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Description

HSS Taper Tap BSF ½″ x 16 – Somta Series 531

The SOMTA 5311271 – ½″ x 16 BSF HSS Taper Tap is expertly crafted for initiating thread cutting with ease and accuracy. Constructed from high-speed steel (HSS), it features a gradual chamfer (taper lead) ideal for through holes and starting threads in difficult materials. Adheres to BSF (British Standard Fine) thread standards, making it indispensable for engineering, machinery maintenance, and vintage vehicle restorations.

Key Features Benefits

  • Taper Chamfer (7–10 Lead Threads) – Eases thread cutting with reduced torque at entry.
  • BSF Fine Thread Form – ½″ diameter with 16 threads per inch for legacy British components.
  • Straight Flute Geometry – Supports chip flow and precise alignment during tapping.
  • High-Speed Steel (HSS) – Ensures tool longevity and consistent thread quality.
  • Bright Finish – Smooth surface aids in cutting control and visual inspection.
  • Versatile Use – Suitable for hand or machine-driven tapping processes.

Technical Specifications

  • Part No: 5311271
  • Thread Size: ½″ x 16 TPI
  • Thread Standard: BSF – British Standard Fine
  • Tap Type: Taper (long lead for easy starting)
  • Flute Style: Straight flute
  • Cutting Direction: Right-hand
  • Material Finish: High-Speed Steel (HSS), Bright
  • Standard: BS 84 / ISO Equivalent

Why Choose the SOMTA 5311271 BSF Taper Tap?

  • Smooth Thread Start – Long chamfer reduces cutting load and improves alignment.
  • Durable HSS Build – Withstands repeated use in industrial and repair settings.
  • Ideal for Through Holes – Excellent for initiating threads in open-ended applications.
  • Precision Engineering – Meets exacting standards for BSF thread restoration and repair.

The SOMTA 5311271 taper tap is the go-to tool for cleanly starting threads in BSF fasteners, making it a valuable addition to any tool kit focused on heritage vehicles or fine-thread mechanical work.

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