Skip to Main Content
Canadian
Canadian owned and operated

03B544 - Walter 1/4-28 UNF High-Performance Power Tap for Stainless Steel

Packaging: 1 per each
$30.46/ea $19.65/1 per each only $19.65/eaSave 35%

Usually ships within 3-5 business days

OVERVIEW

Heavy-Duty Threading Solution for Fabricators

For welders and fabricators, time is money, and broken taps are a costly bottleneck. The Walter 03B544 1/4-28 UNF SST Power Tap is built to withstand the rigors of metal fabrication environments where speed and reliability are paramount. This tool is not just another tap; it is a high-speed threading bit designed to be used directly with your reversible portable drill, allowing you to cut threads in seconds rather than minutes. It is the ultimate accessory for anyone working with stainless steel, mild steel, or non-ferrous alloys.

One of the standout features for fabricators is the extended shank length. This design consideration allows you to reach into deeper pockets or navigate around obstructions that would block shorter standard taps. The tool's construction utilizes premium high-speed steel treated with Walter's SST coating, which creates a slick, hard surface that resists galling and wear. This means you can tap more holes per tool, reducing your consumable spend and downtime.

The engineering behind the Power Tip is a game-changer for through-hole applications. By ejecting chips forward (similar to a gun tap), it prevents the bird-nesting of swarf that typically leads to tap breakage. Furthermore, the tip's self-aligning nature means you don't need a drill press to get a straight thread; the tool helps guide your hand for professional results on the bench or in the field. Combined with a shank that features three ground flats for a rock-solid grip in your drill chuck, this power tap gives you the confidence to power through tough threading jobs without hesitation.

Fabrication Advantages

  • Drill Ready: specifically made for handheld power drills, not just tap handles.
  • Stainless Specialist: Cuts cleanly through tough stainless alloys without binding.
  • Zero Slippage: 3-flat shank ensures full torque transfer from your drill.
  • Longer Life: SST coating reduces friction and extends the cutting edge lifespan.
Additional Information
Brand:Walter Surface Technologies
Product Type:Power Tap
Thread Size:1/4"-28 UNF
Thread Type:UNF (Unified Fine)
Material Application:Stainless Steel, Steel, Aluminum, Non-Ferrous Metals
Shank Type:3-Flat Shank
Surface Treatment:SST
Hole Type:Through Holes
Packaging Description:1 per each

INCLUDED

  • 1 x Walter 1/4-28 UNF SST Power Tap

APPLICATIONS

  • Creating 1/4-28 UNF threads in stainless steel and mild steel
  • Repairing damaged threads in maintenance and MRO applications
  • High-speed tapping with reversible portable drills
  • Production tapping of through-holes in metal fabrication
  • Field repairs requiring reliable threading in various ferrous and non-ferrous metals

FAQ

This tap is designed for use on a wide range of materials including mild steel, stainless steel, aluminum, and other ferrous and non-ferrous metals.

The Walter SST Power Tap is designed primarily for through-holes because it ejects chips ahead of the tap. Using it on blind holes may cause chips to pack at the bottom, potentially breaking the tap.

You need a reversible portable power drill. The reversible feature is essential for backing the tap out of the hole after the thread is cut.

The 3-flat shank allows the drill chuck to grip the tap securely on three sides, preventing the tool from spinning or slipping inside the chuck under high torque.

While the SST surface treatment provides enhanced lubricity, using a high-quality cutting fluid or lubricant is always recommended to extend tool life and improve thread quality, especially in stainless steel.

The Power Tip serves two main functions: it helps self-align the tap with the hole for straight threading, and it pushes chips forward to keep the flutes clear.

This item (SKU 03B544) creates a 1/4"-28 UNF (Unified Fine) thread.

It is designed for reversible drills with adjustable torque or standard drill chucks. Impact drivers may apply excessive sudden torque that could damage the tap or the threads.