Somta Series 541 – HSS Bottom Tap UNC ½″ x 13 TPI

SKU: 5411273

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Sale price$39.58

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Description

HSS Bottom Tap UNC ½″ x 13 – Somta Series 541

The SOMTA 5411273 – ½″ x 13 UNC HSS Bottom Tap is a precision tool designed for cutting full-depth coarse threads in blind holes. With a bottoming chamfer (1–2 threads), it allows threading close to the base of the hole. Manufactured from high-speed steel (HSS), this tap is engineered for durability and consistent thread quality in steel, aluminum, cast iron, and non-ferrous materials. It conforms to Unified National Coarse (UNC) thread standards, making it a reliable choice for general-purpose and structural threading tasks.

Key Features Benefits

  • Bottoming Chamfer – Enables full thread formation in blind holes with minimal clearance.
  • UNC Thread Standard – ½″ x 13 TPI for standard coarse-threaded connections.
  • Straight Flute Geometry – Delivers controlled chip flow and clean cutting action.
  • High-Speed Steel (HSS) – Ensures tool strength, wear resistance, and extended life.
  • Bright Finish – Reduces friction and improves thread surface finish.
  • Hand or Machine Use – Suitable for manual tapping or powered equipment.

Technical Specifications

  • Part No: 5411273
  • Thread Size: ½″ x 13 TPI
  • Thread Standard: UNC – Unified National Coarse
  • Tap Type: Bottoming
  • Chamfer: 1–2 threads
  • Flute Style: Straight flute
  • Cutting Direction: Right-hand
  • Material: High-Speed Steel (HSS)
  • Finish: Bright
  • Standard: ANSI / Unified Inch

Why Choose the SOMTA 5411273 UNC Bottom Tap?

  • Ideal for Blind Hole Tapping – Short chamfer design ensures maximum thread depth.
  • Durable HSS Build – Withstands demanding applications and materials.
  • Accurate Coarse Threading – Meets ANSI UNC standards for dependable fit.
  • Versatile Usage – Perfect for workshops, structural assembly, and general engineering use.

The SOMTA 5411273 bottom tap provides reliable, full-depth threading in blind holes for standard ½″ UNC applications. Its robust design and clean-cutting performance make it a go-to tool for professionals in manufacturing, maintenance, and fabrication.

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