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03A106 - Walter 10-32 NF HSS Bottoming Tap for Blind Holes

Packaging: 3 per each
$14.96/ea

Package Price:

$44.88/3 per each

Usually ships within 3-5 business days

SKU: 03A106 Categories: ,

OVERVIEW

Precision Threading with Walter High Speed Steel Taps

The Walter 03A106 10-32 NF Bottoming Tap is a high-performance threading tool designed for industrial professionals who demand accuracy and durability. Manufactured from superior grade High Speed Steel (HSS), this tap is engineered to withstand the high temperatures and abrasive forces generated during the metal cutting process. Unlike standard carbon steel taps, Walter's HSS composition maintains its hardness and cutting edge integrity for significantly longer periods, making it an economical choice for production environments and frequent maintenance tasks. The tap undergoes a rigorous hardening and tempering process, which optimizes the microstructure of the steel to resist chipping and breakage, a common failure mode in lower-quality threading tools.

One of the defining features of this specific tool is its bottoming chamfer. With only 1 to 2 threads of chamfer at the tip, this tap is specifically designed for threading blind holes—holes that do not pass completely through the workpiece. The short chamfer allows the tap to cut full-depth threads almost to the very bottom of the hole, ensuring maximum thread engagement for bolts and screws. This is critical in applications where space is limited and every millimeter of thread depth contributes to the holding power of the assembly. The precision ground threads further enhance performance by reducing friction and torque requirements, resulting in cleaner, more accurate threads that meet strict National Fine (NF) tolerance standards.

Versatility is key in modern machining and maintenance operations. The Walter 03A106 is formulated to perform exceptionally well across a range of materials, including aluminum, mild steel, and stainless steel. Whether you are repairing damaged threads in a casting or tapping new holes in a fabricated component, this tool delivers consistent results. Its compatibility with both hand tap wrenches and machine holders adds to its utility, making it a staple in tool and die shops, maintenance departments, and manufacturing facilities. By investing in Walter's precision engineering, operators ensure reliable threading operations that minimize scrap and downtime.

Additional Information
Packaging Description:3 per each
Brand:Walter
Used to Cut:Steel or Stainless or Aluminum
Thread Size:10-32 NF
Material:High Speed Steel (HSS)
Chamfer Type:Bottoming
Thread Standard:NF (National Fine)
Application Type:Blind Holes

INCLUDED

  • 1 x Walter 10-32 NF Bottoming HSS Tap

APPLICATIONS

  • Creating new 10-32 NF threads in blind holes.
  • Repairing damaged or stripped threads in machinery and equipment.
  • Threading operations in stainless steel, mild steel, and aluminum.
  • Maintenance and repair operations (MRO) requiring precision fastening.
  • Final threading steps to maximize thread depth in non-through holes.

FAQ

A bottoming tap has a very short chamfer (1-2 threads) allowing it to cut threads close to the bottom of a blind hole. A plug tap has a longer chamfer (3-5 threads) and is better for starting threads or through holes.

For a standard 10-32 NF thread with approximately 75% thread engagement, a #21 drill bit (0.1590 inches) is typically recommended.

Yes, this tap is made from High Speed Steel (HSS) and is specifically designed to be durable enough for cutting threads in stainless steel, as well as mild steel and aluminum.

While it can be used for through holes, bottoming taps are harder to start straight than taper or plug taps. They are best used as a secondary tap to finish a hole or for blind holes.

NF stands for National Fine. It indicates a finer thread pitch compared to NC (National Coarse), providing higher tensile strength and finer adjustment.

Yes, using a high-quality cutting fluid or tapping compound is highly recommended to reduce friction, extend tool life, and produce cleaner threads, especially in harder metals.

HSS can withstand higher temperatures without losing its hardness, allowing it to cut faster and last significantly longer than carbon steel, particularly in industrial applications.