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03A081 - Walter 8-32 NC HSS Taper Tap for Steel and Aluminum

Packaging: 3 per each
$13.66/ea

Package Price:

$40.98/3 per each

Usually ships within 3-5 business days

SKU: 03A081 Categories: ,

OVERVIEW

Precision Threading with Walter High Speed Steel Taper Taps

The Walter 03A081 8-32 NC Taper Tap is a premium-grade cutting tool designed for industrial professionals who demand accuracy and longevity in their threading operations. Crafted from top-tier High Speed Steel (HSS), this tap is engineered to withstand the rigors of cutting threads into tough materials like stainless steel and mild steel, as well as softer metals like aluminum. The HSS construction ensures that the cutting edges remain sharp longer than standard carbon steel taps, reducing the frequency of tool replacements and ensuring consistent thread quality over time.

One of the defining features of this tool is its "Taper" chamfer style. A taper tap typically features a chamfer length of 7 to 10 threads, which distributes the cutting load across a longer section of the tool. This design makes it the ideal choice for starting new threads in a hole, as the gradual cutting action helps align the tap perpendicular to the workpiece, reducing the risk of cross-threading. It is particularly effective for through-holes where the chips can be pushed ahead of the tool. The precision-ground threads have been meticulously hardened and tempered, providing the necessary toughness to resist breakage under torque while maintaining the hardness required to cut clean, precise threads.

Whether utilized in a manual tap wrench or a machine setup, the Walter 8-32 NC tap delivers a seamless cutting action. Its geometry is optimized to evacuate chips efficiently, preventing clogging that can lead to damaged threads or broken tools. For maintenance, repair, and operations (MRO) environments, having a reliable tap that can handle a variety of materials—from structural steel to non-ferrous alloys—is essential. This product exemplifies Walter's commitment to surface technology and cutting excellence, offering a tool that not only performs but endures.

Key Technical Benefits:

  • Material Versatility: Engineered to cut mild steel, stainless steel, and aluminum effectively.
  • Start-Up Ease: Taper chamfer allows for easier starting and alignment of the thread.
  • Durability: Hardened HSS substrate resists wear and heat buildup.
Additional Information
Packaging Description:1 per each, 3 per each
Brand:Walter
Thread Size:8-32 NC
Material:High Speed Steel (HSS)
Tap Style:Taper
Chamfer Type:Taper (7-10 threads)
Application Material:Aluminum, Mild Steel, Stainless Steel

INCLUDED

  • 1 x Walter 8-32 NC High Speed Steel Taper Tap
  • Protective packaging

APPLICATIONS

  • Cutting new 8-32 NC threads in drilled holes
  • Repairing or chasing damaged threads
  • Tapping through-holes in fabrication projects
  • Machining mild steel, stainless steel, and aluminum components
  • Maintenance and repair of industrial machinery
  • Automotive and general metalworking applications

FAQ

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

The standard drill bit size for an 8-32 NC tap is a #29 drill bit (0.136 inches). Using the correct drill size is crucial for achieving the proper thread percentage and preventing tap breakage.

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.

Yes, using a high-quality cutting fluid or tapping oil is highly recommended. It reduces friction, dissipates heat, and helps clear chips, significantly extending the life of the tap and improving thread quality.

While a taper tap can be used in blind holes, it will not thread all the way to the bottom due to its long chamfer. For blind holes, it is best to start with a taper tap and finish with a bottoming tap.

NC stands for 'National Coarse'. It refers to the thread pitch standard. 8-32 NC means it is a #8 diameter screw with 32 threads per inch, which is a coarse thread series.

While it is possible to use taps with power tools that have a clutch or tapping attachment, this specific taper tap is often used by hand for precision starting. If using power, ensure low RPM and proper alignment.

HSS can withstand higher temperatures without losing its hardness (temper). This allows it to cut faster and last significantly longer, especially when working with tougher materials like stainless steel.

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