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How to Choose the Right Tungsten Carbide Tips for Carbide Burrs

Publication date:

2026-03-24

Author:

Source:

How to Choose the Right Tungsten Carbide Tips for Carbide Burrs

Choosing correctly mainly depends on material you’re cutting, cut style, grain/grade, and shape — here’s a clear, practical guide.

1. Choose by Workpiece Material (Most Important)

Ferrous metals (steel, stainless steel, cast iron, hardened steel)

Use standard tungsten carbide (WC‑Co)
For stainless steel & hard steel: prefer fine‑grain carbide for longer life
Avoid ultra‑soft grades — they chip easily

Tungsten Carbide Inserts for Non‑ferrous metals (aluminum, copper, brass)

Use carbide tips with open flute geometry (anti‑clogging)
Can use standard carbide; just match the cut pattern (see below)

Wood, plastic, fiberglass

Standard carbide works
Prefer sharp, less aggressive flutes to avoid grabbing

2. Choose by Cut / Flute Pattern

Single cut (one-direction flute)

Aggressive material removal
For steel, iron, heavy deburring
Longer chips, better for roughing

Double cut (cross-cut flutes)

Smoother finish, less vibration
Best for stainless steel, general metalworking
Most universal choice

Aluminum cut / Non-ferrous cut

Wide, deep flutes to prevent chip welding
Specifically for aluminum, soft alloys

3. Choose Carbide Grain & Grade

Fine grain carbide

Harder, sharper edge, better finish
Longer tool life
Ideal for precision, stainless, hard steel

Coarse / medium grain carbide

Tougher, more impact-resistant
For heavy roughing, cast iron, occasional use
Lower cost

Typical cobalt content

6% Co: hard, wear-resistant (most common)
8–12% Co: tougher, for heavy impact / milling

4. Choose Tungsten Carbide Tip Shape for Your Job

Ball shape: concave surfaces, radii, deburring
Cylinder (flat end): face cutting, slots, weld removal
Flame shape: deep profiling, mold work
Tree shape: fast stock removal on curves
Cone / pointed: narrow grooves, chamfers, small areas

5. Quick Selection Cheat Sheet

表格

Application	Best Carbide Tip Choice
Stainless steel finishing	Fine grain + double cut
Steel / iron heavy removal	Medium grain + single cut
Aluminum	Any carbide + aluminum-cut flutes
Precision mold/die work	Fine grain + sharp small burr
General DIY / maintenance	Double cut, medium grain, universal shape

If you tell me what material you’re cutting and what you’re using it for (deburring, welding, carving, etc.), I can give you the exact best tip specification.

On the previous page:

How to Choose the Right Tungsten Carbide Rotary Burr

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