JOINT CARBIDE
Est. 2007 · Zigong, China

CARBIDE BURRS PRECISION-GROUND. FACTORY-DIRECT.

China's first carbide burr manufacturer with a complete in-house supply chain -- from raw WC material to finished tool. HRA 90.3-91.5 hardness. 418 CNC machines. 30,000+ pcs/day.

19+ Years Experience 418 CNC Machines 30,000+ pcs/day 3 Factories HRA 90.3-91.5 OEM / ODM
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Joint Carbide -- Carbide Burrs product range, various shapes and sizes
HRA 90.3-91.5 Superior Hardness
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What You Need to Know

EVERYTHING ABOUT
CARBIDE BURRS

From shape selection to cut type, material compatibility to operating speed -- here is the complete buyer's guide to sourcing the right carbide burr.

Buyer's Guide

HOW TO CHOOSE THE RIGHT CARBIDE BURR

01
Choose Device
Die grinder, drill press, CNC
02
Applied Material
Steel, stainless, aluminium, cast iron
03
Operating Speed
Match RPM to burr diameter
04
Burr Shape
Cylindrical, ball, flame, tree, cone...
05
Cut Type
Double cut, single cut, aluminium, diamond
06
Cut Diameter
Standard 1/4" to 1" head sizes
07
Shank Diameter
1/4" (6mm) standard shank
08
Shank Type
Standard or extended reach
09
Shank Length
Custom length on request
10
Contact Us
Joint Carbide -- fast quote

CUT TYPES REFERENCE

Double Cut (MX) carbide burr cut type
Double Cut (MX)
Flagship

Stainless steel, steel <HRC60, high-temp alloys. Best all-round performer.

Single Cut (M) carbide burr cut type
Single Cut (M)
Standard

Cast iron, steel, stainless steel <HRC60. Smooth finish, less heat.

Aluminium Cut carbide burr cut type
Aluminium Cut
Non-Ferrous

Aluminium alloys, non-ferrous metals, plastics. Deep flute chip clearance.

Diamond Cut (D) carbide burr cut type
Diamond Cut (D)
Precision

All materials <HRC60. Fine finishing & engraving precision.

Coarse Cut (C) carbide burr cut type
Coarse Cut (C)
Aggressive

Soft metals, non-ferrous, steel & cast iron. Fast material removal.

Fine Cut (F) carbide burr cut type
Fine Cut (F)
Finishing

Cast iron, steel <HRC60, stainless. Ultra-smooth surface finish.

Chip Breaker (MR) carbide burr cut type
Chip Breaker (MR)
Anti-Clog

Stainless steel, steel, cast iron. Prevents chip packing.

INOX Cut carbide burr cut type
INOX Cut
Specialty

Stainless steel & soft titanium alloys. Dedicated INOX geometry.

Cylindrical carbide burr -- TYPE A
Ball nose carbide burr -- TYPE D
Flame shape carbide burr -- TYPE E
Tree shape carbide burr -- TYPE H

APPLICATIONS

Deburring & edge finishing on metal parts
Weld grinding, cleanup & blending
Surface preparation & smoothing
Porting & polishing cylinder heads
Engraving, carving & detail work
Mold & die cavity finishing
Aerospace & defense component machining
Medical device & implant manufacturing
Automotive Aerospace Medical Mold & Die Shipbuilding Jewelry Defense Railway Energy

CARBIDE BURR TYPES -- FULL RANGE

Type A carbide burr carbide burr
Type A carbide burr
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TYPE B CARBIDE BURR carbide burr
TYPE B CARBIDE BURR
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TYPE C CARBIDE BURR carbide burr
TYPE C CARBIDE BURR
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TYPE D CARBIDE BURR carbide burr
TYPE D CARBIDE BURR
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TYPE E CARBIDE BURR carbide burr
TYPE E CARBIDE BURR
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TYPE F CARBIDE BURR carbide burr
TYPE F CARBIDE BURR
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TYPE G CARBIDE BURR carbide burr
TYPE G CARBIDE BURR
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TYPE H CARBIDE BURR carbide burr
TYPE H CARBIDE BURR
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TYPE J CARBIDE BURR carbide burr
TYPE J CARBIDE BURR
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TYPE K CARBIDE BURR carbide burr
TYPE K CARBIDE BURR
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TYPE L CARBIDE BURR carbide burr
TYPE L CARBIDE BURR
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TYPE M CARBIDE BURR carbide burr
TYPE M CARBIDE BURR
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Made In-House

6-STEP MANUFACTURING
PROCESS

Every carbide burr is produced entirely in-house -- from raw tungsten carbide powder to finished, tested tool. Zero outsourcing. Full quality control.

Step 01 -- Wet Grinding
01
Wet Grinding
Raw WC powder precision-ground to optimal particle size
Step 02 -- Pressing
02
Pressing
Powder pressed into near-net-shape blanks under high pressure
Step 03 -- Sintering
03
Sintering
Blanks sintered at 1400°C+ for maximum density & hardness
Step 04 -- Fluting
04
Fluting
5-axis CNC precision-ground flute geometry on every burr
Step 05 -- Testing
05
Testing
HRA hardness, dimensional & visual QC on every batch
Step 06 -- Shipping
06
Shipping
Packed & dispatched worldwide -- DHL, FedEx, sea freight

TECHNOLOGY ADVANTAGES

100% Pure WC Raw Material
Direct-source manufacturer -- no middlemen, no recycled filler material.
HRA 90.3-91.5 Hardness
Premium grade tungsten carbide delivers outstanding wear resistance.
R-Shape Shank Design
40Cr steel shank with enlarged welding area for superior impact resistance.
50% Silver Solder Welding
Low-temp flat-bottom solid weld -- gap-free, prevents cutter head breakage.
5-Axis CNC Precision
418 machines ensure consistent flute geometry and surface finish.
Double Cut / MX Geometry
Optimised for stainless & high-temp alloys -- fast stock removal, cool cutting.
5-axis CNC fluting machine producing carbide burrs at Joint Carbide factory
418 CNC MACHINES
5-Axis · In-House · Full Control
Real Factory · Real People · Real Quality

WHY TRUST
JOINT CARBIDE?

We are a verified, audited factory in Zigong, China -- not a trading company. Here is the evidence.

19+
Years in Business
Est. 2007 · Zigong, China
418
CNC Machines
5-Axis · In-House
3
Factories
Full supply chain control
30K+
Pcs / Day
Carbide burr daily output

FACTORY PHOTOS

Factory exterior -- Joint Carbide, Zigong China
CNC machining workshop -- 418 five-axis machines
Carbide burr quality inspection & testing lab
Raw material storage -- 100% pure tungsten carbide
Finished carbide burr packaging & shipping area
Sintering furnace -- high-temperature carbide processing

GROUP HISTORY -- 6 ENTITIES

2007
Zigong Joint Carbide Co., Ltd.
R&D of carbide blanks -- the supply chain foundation.
2016
Zigong Kingtools Co., Ltd.
Dedicated carbide burr production with 5-axis CNC.
2019
Chengdu Joint Carbide Co., Ltd.
International sales & export hub.
2021
Ganzhou Joint Carbide Co., Ltd.
Expanded carbide burr production capacity.
2023
Ganzhou Jinshi Alloy Material Co.
Carbide powder, grit, rod & wear parts.
2026
Hainan Joint Carbide Co., Ltd.
Global export hub -- launching 2026.

CERTIFICATIONS & STANDARDS

ISO 9001:2015
Quality Management System certified
HRA Testing
In-house hardness testing every batch
5-Axis CNC
Precision machining to ±0.01mm tolerance
100% WC Material
Pure tungsten carbide -- no recycled filler

20+ INDUSTRIES SERVED

Automotive Manufacturers Aerospace Industry Mold & Die Makers Metalworking Workshops Shipbuilding & Marine Jewelry Manufacturers Medical Device Makers Construction & Infrastructure Tool & Cutter Manufacturers Power Plant Equipment Defense & Military Railway & Locomotive Engineering & Fabrication Foundries & Casting Renewable Energy Repair & Maintenance Heavy Equipment Industrial Equipment Prototyping Services Aerospace Component Suppliers
OUR PHILOSOPHY
Be an enterprise with trust and respect
Be the world's biggest carbide burrs manufacturer
Bring valuable products and a good reputation to each customer
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READY TO ORDER CARBIDE BURRS?

Tell us your requirements -- shape, cut type, quantity and application. Our team responds within 24 hours with a competitive factory-direct quote.

Factory-direct pricing -- no middlemen
MOQ from 100 pcs -- flexible for all buyers
OEM & custom shank length available
Fast sample delivery in 7-10 days
19+ years export experience worldwide
Dedicated account manager assigned
WhatsApp: +86 177 8071 5282
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Response within 24 hours · No obligation
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JOINT CARBIDE
Zigong, Sichuan, China · Est. 2007
PRODUCTS
Carbide Burrs · Carbide Grit · Carbide Rod · Wear Parts