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03B125 - Walter 3/4-16 NF HSS Plug Tap for Steel and Stainless

Packaging: 1 per each
$105.42/ea

Usually ships within 3-5 business days

SKU: 03B125 Categories: ,

OVERVIEW

Precision Threading with Walter High-Speed Steel Taps

The Walter 03B125 3/4-16 NF Plug Tap is a premium-grade threading tool designed for industrial maintenance, repair, and operations (MRO) professionals who demand accuracy and longevity. Crafted from top-tier High-Speed Steel (HSS), this tap is engineered to withstand the high thermal stresses and abrasive forces encountered when threading tough materials. Unlike standard carbon steel taps, Walter's HSS composition ensures the cutting edges remain sharp longer, providing consistent thread quality over an extended service life.

This specific tool is a "Plug" style tap, characterized by a chamfer of approximately 3 to 5 threads. This geometry makes it the most versatile choice for general threading applications, particularly for through holes where the chips can be pushed forward or where threading to the very bottom of a blind hole is not critical. The 3/4-16 NF (National Fine) configuration is essential for applications requiring higher tensile strength and finer adjustment capabilities compared to coarse threads. The fine thread pitch allows for greater engagement with the workpiece, making it ideal for high-vibration environments often found in heavy machinery and automotive assemblies.

Walter Surface Technologies has meticulously hardened and tempered this tool to strike the perfect balance between hardness and toughness. This prevents the brittleness often associated with cheaper cutting tools, reducing the risk of snap-off during operation. The threads are precision-ground, not rolled, which guarantees a smoother cutting action and reduces the torque required to drive the tap. Whether you are cutting new threads in a fresh fabrication or chasing damaged threads during a repair, this tool delivers professional results in mild steel, stainless steel, and non-ferrous alloys like aluminum.

Key Technical Benefits:

  • Material Versatility: Effective on a wide range of metals including hardened steels and alloys.
  • Precision Geometry: Ground threads ensure class-fit accuracy for critical assemblies.
  • Durability: Heat-treated HSS body resists wear and deformation under load.
Additional Information
Packaging Description:1 per each
Brand:Walter
Used to Cut:Steel or Stainless or Aluminum
Thread Size:3/4-16 NF
Material:High-Speed Steel (HSS)
Tap Style:Plug Tap
Thread Type:National Fine (NF)
Chamfer Length:3-5 Threads

INCLUDED

  • 1 x Walter 3/4-16 NF High-Speed Steel Plug Tap
  • Protective packaging

APPLICATIONS

  • Creating new 3/4-16 NF threads in drilled holes
  • Repairing or "chasing" damaged threads in maintenance applications
  • Machining through-holes in steel plates and castings
  • Fabricating custom brackets and mounts requiring fine threads
  • Automotive and heavy equipment repair
  • Working with aluminum, mild steel, and stainless steel

FAQ

A plug tap has a chamfer of 3-5 threads, making it ideal for through holes or threading close to the bottom of a blind hole. A taper tap has a longer chamfer (7-10 threads) and is easier to start but requires more depth to cut full threads.

Yes, this tap is made from High-Speed Steel (HSS) and is hardened specifically to handle tough materials like stainless steel, as well as mild steel and aluminum.

For a 3/4-16 NF thread, the recommended drill bit size is typically 11/16 inch to achieve approximately 75% thread height.

Yes, using a high-quality tapping fluid or cutting oil is highly recommended. It reduces friction, dissipates heat, and significantly extends the life of the tap while ensuring cleaner threads.

NF stands for 'National Fine.' It indicates that the thread pitch (16 threads per inch) is finer than the standard coarse thread (NC) for this diameter, providing higher tensile strength and better vibration resistance.

While it can be used in machine tapping setups with proper clutching, it is often used by hand or in a drill press with a tapping head. Using it in a handheld power drill without speed control and alignment guides increases the risk of breaking the tap.

This product is sold as a single unit (1 per each).

This Walter tap is made of High-Speed Steel (HSS), which is superior to carbon steel in terms of hardness, heat resistance, and durability.

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