Skip to Main Content
Canadian
Canadian owned and operated

Walter SD-3 Double Cut Tungsten Carbide Rotary File

$65.08/ea $57.17/1 per each only $57.17/eaSave 12%

Usually ships within 3-5 business days

OVERVIEW

Heavy-Duty Walter SD-3 Double Cut Carbide Burr for Welders

For welders and fabricators, tool performance is measured by speed and longevity. The Walter SD-3 Double Cut Carbide Burr delivers on both fronts. Built to tackle the toughest grinding jobs, this tungsten carbide rotary file is an essential accessory for any die grinder. The SD-3 "Ball" shape is incredibly versatile, allowing you to grind out porosity in welds, radius edges, and prepare surfaces in hard-to-reach pockets that flat wheels can't touch.

The Double Cut (DC) design is specifically favored in the welding industry for its efficiency on ferrous metals. By utilizing cross-cut teeth, the burr rapidly removes stock while preventing the tool from "loading up" or clogging. This aggressive yet controlled cutting action allows for faster material removal rates on mild steel, stainless steel, and other hard alloys. Furthermore, the double cut pattern produces smaller chips rather than dangerous long strings, creating a safer working environment and reducing cleanup time.

Durability is at the core of Walter's engineering. This burr is ground with precision to ensure perfect balance at high RPMs. A balanced burr eliminates the chatter and vibration that can ruin a workpiece or damage your die grinder's collet. With the Walter SD-3, you get a smooth, consistent run every time, allowing for precise manipulation and a high-quality finish. Whether you are enlarging a bolt hole or smoothing out a heavy weld seam, this carbide burr provides the bite and stamina required for professional MRO and fabrication environments.

Why Choose Walter Carbide Burrs?

  • Maximum Removal Rate: Double cut teeth chew through steel efficiently.
  • Operator Comfort: Precision balancing reduces hand-arm vibration.
  • Versatility: The ball shape adapts to various contours and irregular surfaces.
  • Long Service Life: Premium tungsten carbide resists wear and heat buildup.
Additional Information
Brand:Walter Surface Technologies
Product Type:Carbide Burr
Shape:SD-3 (Ball)
Cut Type:Double Cut
Used To Grind:Steel, Stainless
Material:Tungsten Carbide
Pattern:Alternating Diamond
Packaging Description:1 per each

INCLUDED

  • 1 x Walter SD-3 Double Cut Carbide Burr

APPLICATIONS

  • Deburring and enlarging holes in steel and stainless steel
  • Contouring and milling concave surfaces
  • Removing weld porosity and spatter
  • Fine finishing and surface preparation
  • Maintenance and repair operations (MRO)

FAQ

The SD-3 is a ball-shaped burr, which is ideal for contouring, hole deburring, and working in concave surfaces.

Double Cut refers to the tooth pattern on the burr. It has cross-cut teeth that create smaller chips, provide better operator control, and leave a smoother finish compared to single-cut burrs.

This Walter carbide burr is designed primarily for use on steel, stainless steel, and other ferrous metals.

You will need a die grinder (either pneumatic or electric) equipped with a collet that matches the shank size of the burr.

Good concentricity means the burr spins perfectly true. This reduces vibration, prevents chatter on the workpiece, and extends the life of both the burr and the grinder.

While it can cut aluminum, Double Cut burrs may clog (load up) with soft non-ferrous metals. For aluminum, an Aluminum Cut (Alu-Cut) burr is generally recommended.

Yes, the Double Cut design allows for rapid stock removal while maintaining a good surface finish.

CATALOGUE & SPEC SHEETS

Spec Sheet
Safety Data Sheet