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Tungsten Carbide Rotary Burr from Jinxin Carbide

Tungsten Carbide Rotary Burr from Jinxin Carbide

Tungsten carbide burr (also called a carbide rotary burr or rotary file) is a small, high‑performance rotary cutting tool made from tungsten carbide (WC) with cobalt as a binder. It is mounted in die grinders, pneumatic tools, or rotary tools for precision material removal.

Phone/Fax:

+86 133-9733-9096

Email:

13397339096@ojinxin.com

RFQ

Make a call

Key Properties

Extreme hardness: Mohs ~9.5 (second only to diamond), far harder than steel.
Super wear resistance: Lasts 3–5× longer than high‑speed steel (HSS) burrs.
Heat resistance: Maintains cutting performance at high temperatures.

Structure

Head: The cutting part, precision‑ground with flutes (single‑cut or double‑cut).
Shank: A steel or carbide stem (typically 1/8" or 1/4" diameter) for clamping.
Connection: Usually silver‑brazed or welded for strength.
Two parts：The head is made of tungsten carbide and the handle is made of steel. The head and handle are welded together using sandwich welding plates through high-temperature melting.

Common Shapes

Ball/round: For contouring, blending, and hollowing.
Cylindrical: For flat surfaces, deburring, and slotting.
Tapered/pointed: For detail work, engraving, and reaching tight spaces.
Tree/ogive: For shaping and finishing curved surfaces.
Countersink: For chamfering holes.

Typical Uses

Deburring & edge breaking: Removes sharp edges from metal parts.
Weld preparation & cleanup: Shapes welds and removes excess material.
Shaping & contouring: Used in mold making, metal carving, and jewelry.
Grinding & milling: Works on steel, stainless steel, aluminum, titanium, cast iron, plastics, and wood.