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Walter 1/4-28 NF High Speed Steel Taper Tap

$16.28/ea $41.94/3 per each only $13.98/eaSave 14%

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OVERVIEW

Reliable Threading Solutions for Fabrication and Repair

For welders and fabricators, having reliable cutting tools is just as important as having a good arc. The Walter 1/4-28 NF Taper HSS Tap is a heavy-duty threading tool built to handle the realities of the metal shop. When you are fabricating custom parts or repairing stripped threads on machinery, you need a tap that bites into the metal and cuts clean without binding or breaking. This Walter tap is crafted from top-notch High Speed Steel, giving it the toughness needed to tackle everything from mild steel brackets to stainless steel piping. Its robust construction ensures that it stays sharp job after job, reducing the frustration of broken taps and ruined workpieces.

The taper profile of this tap is specifically designed to make your life easier. With a long chamfer at the tip, it enters the hole smoothly and centers itself, requiring less initial torque to start the cut. This is a massive advantage when you are tapping holes by hand in awkward positions or out in the field. The 1/4-28 Fine thread pitch is perfect for applications requiring fine adjustments or where vibration is a concern, ensuring your bolts stay tight even on vibrating equipment. Because it is designed for through-holes, it effectively clears chips, preventing clogging that can lead to thread damage.

Walter Surface Technologies is known for producing industrial-grade tools that perform under pressure, and this tap is no exception. It is an essential addition to any maintenance, repair, and operations (MRO) toolkit. Whether you are cleaning up threads after welding, tapping new holes in a custom fabrication project, or performing maintenance on shop equipment, this HSS tap delivers professional results. Don't settle for brittle carbon steel taps that snap when you need them most; upgrade to Walter's HSS taps for superior durability and performance on aluminum, steel, and stainless projects.

Additional Information
Brand:Walter Surface Technologies
Packaging Description:1 per each
Thread Size:1/4"-28 NF
Material:High-Speed Steel (HSS)
Tap Style:Taper
Thread Standard:NF (National Fine)
Recommended Drill Bit:#3 (0.2130")

INCLUDED

  • 1 x Walter 1/4-28 NF Taper HSS Tap

APPLICATIONS

  • Creating internal threads in aluminum components
  • Threading mild steel for fabrication projects
  • Cutting threads in stainless steel parts
  • Repairing damaged or stripped threads
  • Tapping through-holes in metal plates
  • Automotive and machinery repair

FAQ

A taper tap has a longer chamfer (7-10 threads) which helps in starting the thread straight and gradually cutting the metal. A plug tap has a shorter chamfer (3-5 threads) and is used after the taper tap or for through holes where starting is easier.

For a 1/4-28 NF thread, the recommended drill bit size is typically a #3 drill bit (0.2130 inches) to achieve approximately 75% thread height.

Yes, this tap is made from High Speed Steel (HSS) and is hardened and tempered, making it suitable for cutting threads in tough materials like stainless steel, as well as mild steel and aluminum.

NF stands for National Fine. It indicates that the thread pitch (28 threads per inch) is finer than the standard coarse thread (NC/UNC), providing higher tensile strength and better vibration resistance.

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

While a taper tap can be used in blind holes, it requires a deep hole to accommodate the long chamfer at the tip. For threading to the bottom of a blind hole, a bottoming tap is usually required after starting with a taper tap.
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