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Walter 3/8-16 NC HSS Plug Tap for Through Holes

$25.40/ea $65.49/3 per each only $21.83/eaSave 14%

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OVERVIEW

Reliable Taps for the Fabrication Shop

When you are in the middle of a fabrication project or a critical repair, the last thing you need is a tap breaking off in your workpiece. The Walter 3/8-16NC Plug Tap (03B062) is built to handle the rigors of the welding and fabrication shop. Made from high-quality High Speed Steel (HSS), this tap is tougher and more heat-resistant than generic hardware store taps. It is designed to cut clean, precise threads in the materials welders use every day, including mild steel, aluminum, and stainless steel.

This tap is a "Plug" style, which is the workhorse of threading tools. With a 3-5 thread chamfer, it starts easily in the hole but still cuts full threads relatively deep. It is perfect for threading through-holes on brackets, plates, and flanges. If you are repairing damaged threads on machinery or tapping new holes for mounting hardware, this tool provides the bite and strength you need to get the job done right the first time. The precision-ground threads ensure that your bolts will fit smoothly without binding or cross-threading.

Using the right tool makes all the difference. Walter's attention to detail means this tap has excellent chip clearance and reduced friction. This is especially important when working with stainless steel, which tends to work-harden if the tool drags. The HSS construction maintains a sharp cutting edge, allowing you to cut threads with less force and better control. Whether you are using a T-handle wrench or a drill press, the Walter 03B062 gives you the confidence to tap holes efficiently.

Don't let stripped threads or broken tools slow down your production. Keep a Walter HSS Plug Tap in your toolbox for those moments when you need to create a secure fastening point. It is a small investment that pays off in saved time and frustration, ensuring your finished assemblies meet the highest standards of quality and strength.

Additional Information
Brand:Walter Surface Technologies
Packaging Description:1 per each
Thread Size:3/8"-16 NC
Tap Style:Plug Tap
Material:High-Speed Steel (HSS)
Thread Standard:National Coarse (NC)
Chamfer Length:3-5 Threads

INCLUDED

  • 1 x Walter 3/8"-16 NC High Speed Steel Plug Tap
  • Protective packaging

APPLICATIONS

  • Creating new 3/8"-16 NC threads in drilled holes
  • Repairing or cleaning up damaged threads
  • Tapping through-holes in metal plates and castings
  • Machining mild steel, stainless steel, and aluminum
  • General maintenance and assembly work
  • Automotive and machinery repair

FAQ

A plug tap has a chamfer of 3-5 threads, making it suitable for through holes or general use. A taper tap has a longer chamfer (7-10 threads) for easier starting, while a bottoming tap has a very short chamfer (1-2 threads) for threading to the bottom of a blind hole.

For a standard 3/8"-16 NC thread, the recommended drill bit size is typically 5/16" (or 8.0mm) to achieve approximately 75% thread height.

Yes, this Walter tap is made from High Speed Steel (HSS) and is hardened and tempered, making it suitable for tapping stainless steel as well as mild steel and aluminum.

This HSS plug tap can be used for both hand tapping (with a tap wrench) and machine tapping applications, provided the speed and alignment are correctly managed.

NC stands for 'National Coarse,' which refers to the thread pitch standard. 3/8-16 indicates a 3/8-inch diameter with 16 threads per inch.

Yes, using a high-quality cutting fluid or tapping compound is highly recommended to reduce friction, clear chips, and extend the life of the tap, especially in harder metals.

Ground threads are manufactured to tighter tolerances, providing greater accuracy and a smoother surface finish, which results in better quality threads and less wear on the tool.
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