JOINT CARBIDE
Est. 2007

PRECISION. HARDNESS. TRUST.

China's leading tungsten carbide manufacturer -- a complete supply chain from raw material to finished tool, serving 20+ global industries with HRA 90.3-91.5 precision since 2007.

Carbide Burrs Carbide Grit Carbide Rod Carbide Powder Wear Parts Scrap Recycling
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Experience
19+
Years of Industry
Excellence
Machines
418
5-Axis CNC
Machines
Daily Output
30K+
Carbide Burrs
Per Day
Industries
20+
Global B2B
Sectors Served
Superior Hardness
HRA 90.3 -- 91.5
Outstanding wear resistance · 100% pure WC raw material
ISO Certified
Quality Management
Global Export
Worldwide Delivery
3 Factories
Full Supply Chain
OEM / ODM
Custom Solutions
What We Make

COMPLETE CARBIDE PORTFOLIO

From precision cutting tools to advanced surface engineering materials -- every product backed by a complete in-house supply chain.

Carbide Burrs -- Joint Carbide flagship product
FLAGSHIP
Carbide Burrs

CARBIDE BURRS

China's first burr manufacturer with a complete material supply chain. 418 CNC machines, 30,000+ pieces daily, HRA 90.3-91.5.

Double Cut
Stainless / High-Temp
Single Cut
Cast Iron / Steel
Aluminium Cut
Al Alloys / Plastics
Diamond Cut
All <HRC60 Materials
100% Pure WC Raw Material
50% Silver Sandwich Solder
R-Shape Shank · 40Cr Steel
HRA 90.3-91.5 Hardness
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Carbide Grit and High-Entropy Alloy Grit
Carbide Grit

CARBIDE GRIT

YG/YT tungsten carbide grit & high-entropy alloy grit for composite welding rods, spray welding & surfacing. Mining · Petroleum · Metallurgy.

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Carbide Rod -- composite and sintered
Carbide Rod

CARBIDE ROD

Composite & sintered carbide rods for wear resistance, hardfacing and component repair across mining, petroleum, metallurgy and construction.

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Wear Parts and Scrap Recycling
Wear Parts Scrap Recycling

WEAR PARTS &
SCRAP RECYCLING

Custom wear-resistant components for heavy-duty applications. We also recycle carbide scrap -- turning waste into value with responsible sourcing.

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Advanced Surface Engineering

CARBIDE POWDER

Thermal spray powders (WC-based, WC-Ni, Cr₃C₂) and cladding powders (WC/Ni, Nickel, TiC, TiC-CrFe) for anti-wear, anti-corrosion and high-temperature coatings.

WC-Based
Thermal Spray
Ni-Based
Cladding
TiC-Based
Cladding
Cr₃C₂-Based
Thermal Spray
Aerospace · Oil & Gas · Power Generation
Mining · Metallurgy · Marine
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Carbide Powder -- thermal spray and cladding powders
Why Choose Us

THE JOINT CARBIDE ADVANTAGE

19 years of manufacturing excellence, backed by a vertically integrated supply chain that no other single supplier can match.

SUPERIOR HARDNESS

HRA 90.3-91.5 hardness achieved through 100% pure tungsten carbide raw material and precision sintering. Outlasts competitors by 2-3×.

COMPLETE SUPPLY CHAIN

China's only carbide burr manufacturer controlling every step -- from wet grinding and pressing through sintering, fluting and testing. Zero outsourcing.

SCALE & CAPACITY

418 five-axis CNC machines across 3 factories. Daily output of 30,000+ carbide burrs ensures your supply chain never stalls.

COMPETITIVE PRICING

Direct-source manufacturing eliminates middlemen. Premium HRA 90.3-91.5 quality at factory prices -- real value for every order.

PROVEN RELIABILITY

19+ years serving global clients. R-shape shank with 50% silver sandwich solder, 40Cr steel, and flat-bottom solid welding for zero-failure performance.

GLOBAL DELIVERY

Export infrastructure across 3 entities -- Chengdu, Ganzhou and the upcoming Hainan hub -- ensures fast, reliable worldwide shipping.

Manufacturing Process

FROM RAW MATERIAL TO FINISHED CARBIDE BURRS

01
Wet Grinding
02
Pressing
03
Sintering
04
Fluting
05
Testing
06
Shipping
Who We Serve

20+ GLOBAL INDUSTRIES

Trusted by B2B buyers across the world's most demanding sectors.

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 Manufacturers Industrial Equipment Welding Consumables Prototyping & Rapid Mfg
6
Group Entities
Zigong · Chengdu · Ganzhou · Hainan
19+
Years Exporting
Trusted by global B2B buyers since 2007
100%
Pure WC Material
Only premium raw material
Our Journey

GROUP EVOLUTION

From a single R&D lab in Zigong to a six-entity global carbide group -- every milestone built on material science and manufacturing precision.

2007
TO PRESENT
2007
Founding
Zigong Joint Carbide Co., Ltd.
Established the foundation with dedicated R&D of carbide blanks -- building the raw material expertise that underpins the entire group.
2016
Expansion
Zigong Kingtools Co., Ltd.
Launched dedicated carbide burr production -- scaling precision tool manufacturing with 5-axis CNC technology.
2019
Global
Chengdu Joint Carbide Co., Ltd.
Opened the international sales and export hub -- connecting Chinese manufacturing excellence to global markets.
2021
Scale-Up
Ganzhou Joint Carbide Co., Ltd.
Expanded carbide burr production capacity in Ganzhou -- doubling throughput to meet surging global demand.
2023
Diversify
Ganzhou Jinshi Alloy Material Co., Ltd.
Entered hardfacing material, carbide grit and wear parts -- broadening the portfolio into advanced surface engineering.
2026
Future
Hainan Joint Carbide Co., Ltd.
The newest entity -- positioned as a global export hub for carbide burrs, hardfacing materials, carbide grit, wear parts and scrap recycling.
Launching 2026
Buyer's Guide

HOW TO CHOOSE THE RIGHT CARBIDE BURRS

A 10-step selection guide to ensure you order the exact carbide burr for your application.

01
Choose Device
Select your die grinder, rotary tool or CNC spindle to determine compatible shank size and RPM range.
02
Choose Applied Material
Identify the workpiece: stainless steel, cast iron, aluminium, titanium, or composite materials.
03
Choose Operating Speed
Match RPM to material and burr diameter -- higher speed for harder materials, lower for softer.
04
Choose Burr Shape
Cylinder, ball, tree, cone, flame, oval -- shape determines the profile you can cut or finish.
05
Choose Cut Type
Double Cut (stainless), Single Cut (cast iron), Aluminium Cut, Diamond Cut, or specialty cuts.
06
Choose Cut Diameter
Standard cut diameters from 3mm to 25mm -- match to your groove or cavity requirement.
07
Choose Shank Diameter
1/4" (6.35mm) is standard for most rotary tools; 6mm, 8mm or 12mm for industrial grinders.
08
Choose Shank Type
Standard R-shape shank with 40Cr steel for impact resistance and firm chuck clamping.
09
Customise Shank Length
Extended shank lengths available for deep-reach applications -- specify your required reach.
10
Contact Joint Carbide
Send your full specification and receive a factory-direct quote within 24 hours.
Get in Touch

READY TO
SOURCE PRECISION
CARBIDE?

Tell us your requirements and our technical team will respond within 24 hours with a factory-direct quote, samples availability and lead times.

24-Hour Response
Our technical team responds to all enquiries within one business day.
Free Samples Available
Test our quality before committing to a bulk order.
OEM & Custom Orders
Custom specifications, private labelling and bulk pricing available.
Joint Carbide Group
Zigong, Chengdu, Ganzhou, and Sanya, China
Exporting to 20+ countries worldwide
Est. 2007 · 19+ years in business
REQUEST A QUOTE
Factory-direct pricing · 24-hour response
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JOINT CARBIDE GROUP

PRECISION CARBIDE.
FACTORY DIRECT.

19+ years · 418 CNC machines · 30,000+ pieces daily · Complete supply chain · Global delivery. Partner with the manufacturer who controls every step from raw material to finished product.

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TRUST & RESPECT
Building relationships through integrity in every transaction.
WORLD'S BIGGEST
Striving to be the global leader in carbide burr manufacturing.
REAL VALUE
Premium products with lasting reputation for every customer.