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Walter 7/8-9 NC High-Speed Steel Taper Tap

$135.36/ea $116.42/1 per each only $116.42/eaSave 14%

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OVERVIEW

Reliable Threading for Tough Jobs

When you are in the middle of a fabrication job or a critical repair, the last thing you need is a tap that dulls instantly or snaps off in the hole. The Walter 7/8"-9 NC Taper Tap (SKU: 03B141) is built for welders and fabricators who need tools as tough as the materials they work with. Made from High-Speed Steel (HSS), this tap is a significant upgrade over basic hardware store carbon taps. It is designed to cut through mild steel, aluminum, and even tough stainless steel without losing its edge, ensuring you get clean, usable threads every time.

The "Taper" style of this tap is specifically designed to make your life easier. It features a gradual chamfer at the tip, involving about 7 to 10 threads. This tapered entry allows the tool to align itself naturally in the hole, making it much easier to start the threading process straight and true. This is especially helpful when tapping by hand, where starting a tap square can be a challenge. The gradual cutting action also reduces the force needed to turn the tap, which helps prevent binding and breakage.

Whether you are cleaning up damaged threads on a piece of heavy machinery or tapping new holes for a custom bracket, this Walter tap delivers professional results. Its precision-ground threads ensure a tight fit for your fasteners, maintaining the structural integrity of your assembly. Don't compromise on your cutting tools; a high-quality tap like the Walter 03B141 saves you time, frustration, and money in the long run by getting the job done right the first time.

Why Choose Walter Taps?

  • Durability: HSS construction resists heat and wear.
  • Ease of Use: Taper chamfer helps start threads straight with less effort.
  • Versatility: Works on a variety of metals including stainless and aluminum.
  • Reliability: Precision manufacturing reduces the risk of tap breakage.
Additional Information
Brand:Walter Surface Technologies
Used To Cut:Steel, Stainless Steel & Aluminum
Material:High-Speed Steel (HSS)
Thread Size:7/8"-9 NC
Tap Style:Taper
Chamfer Length:7-10 Threads
Recommended Drill Size:49/64"
Packaging Description:1 per each

INCLUDED

  • 1 x Walter 7/8"-9 NC HSS Taper Tap
  • Protective Packaging

APPLICATIONS

  • Creating new threads in drilled holes
  • Repairing damaged or stripped threads
  • Machining mild steel components
  • Fabricating stainless steel assemblies
  • Working with aluminum and non-ferrous metals
  • Maintenance and Repair Operations (MRO)

FAQ

The standard recommended drill bit size for a 7/8"-9 NC tap is 49/64".

A taper tap has a longer chamfer (7-10 threads) which helps in starting the thread straight and distributing the cutting load. 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.

Yes, this Walter tap is made from High-Speed Steel (HSS), which is durable enough to cut threads in stainless steel, as well as mild steel and aluminum.

Taper taps are best for starting threads or for through holes. For blind holes (holes that don't go all the way through), you would typically start with a taper tap and finish with a bottoming tap to thread close to the bottom.

NC stands for 'National Coarse', which refers to the thread pitch standard. 7/8"-9 means the tap diameter is 7/8 of an inch and it has 9 threads per inch.

Yes, using a high-quality cutting fluid or tapping oil is highly recommended to reduce friction, dissipate heat, and extend the life of the tap.

This HSS taper tap can be used for both hand tapping operations (with a tap wrench) and in machine tapping setups, provided the correct holder is used.
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