Is there a quality guarantee?

Yes, we offer a full refund in case of bad quality, ensuring your money is safe.

What is the warranty policy?

We provide a 100% replacement guarantee if any recycling material is detected in the virgin material.

K20, K30, K40 Tungsten Carbide Drilling Tips

Name: K20, K30, K40 Tungsten Carbide Drilling Tips
Brand: Zhuzhou Jinggong Cemented Carbide Co., Ltd.
SKU: 823952225

Hunan, ChinaZhuzhou Jinggong Cemented Carbide Co., Ltd.

US$35.00-55.00

5 kg

Sample price:US$39.00/kg.Request sample

Product profile

Customization

Available

Product Type

Spherical

Material

100% Virgin Material Tungsten Carbide

Model NO.

Customed

Carbon Content

Low Carbon

PCD

94% Wc

Density

14.75

Hardness

Trs

3000n/mm2

Grain Size

Coarse

Cabolt

Application

Mainly Used for Making Cemented Carbide Buttons of

Sample

Available

Certificate

ISO 9001:2008, ISO 14001:2004

Surface

Sandblasting or Tumbling

Transport Package

1kg/ White Poly Bag

Specification

As per Drawing

Trademark

ZZJG or OEM

Origin

Zhuzhou

HS Code

820719

Production Capacity

80 T/Month

Key features

High Hardness & Wear Resistance: Hardness 86~93 HRA; some grades wear over 100 times longer than hardened steel.

Corrosion Resistance: Nickel and Chromium binder grades offer high resistance to acidic solutions.

100% Virgin Material Quality: Uses 100% virgin tungsten carbide with full replacement guarantee for any recycled material.

Multiple Grade Options: Available in K20, K30, K40 series with varying densities, hardness, and grain sizes.

Certified Quality Standards: Products certified by RoHS, ISO 9001:2008, and ISO 14001:2004.

Strong R&D Support: Led by Doctors and Professors with 8 invention patents and 18 practical performance patents.

Money Safe Guarantee: Full refund provided in case of bad quality to ensure customer security.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Zhuzhou Jinggong Cemented Carbide Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, OtherExport Year: 2006-08-16Nearest Port: Shanghai, China, Shenzhen, China, Guangzhou,ChinaAverage Response Time: ≤24hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing and customization capabilities in cemented carbide products. Evidence includes its own R&D and production base, advanced production and testing equipment, three production lines, documented quality and complaint-handling procedures, ERP-based process management, and stated annual tungsten carbide capacity ranging from 1,000 to 1,800 tons across the provided records. It offers OEM and ODM services, multiple customization modes, inventory capability, and has participated in the Canton Fair. However, the supplier has no overseas warehouse, showroom, agents, or branches, and the factory and related subcontractors reportedly lack a valid manufacturing contract. Certification holdings and specific customer case details are not provided. Financial information is limited to years stated in the records and cannot establish financial credibility.

Supplier typeThe supplier operates its own R&D and production base, provides OEM and ODM services, and manufactures cemented carbide products including rods, tips, inserts, wear parts, mining tips, saw tips, bars, and blanks. It also reports inventory capability, indicating a manufacturer with design and supply capabilities rather than only a trading profile.

After-Sales capabilityThe supplier has documented corrective and preventive action procedures, complaint-handling procedures, and written supplier-service assessment procedures with records. It has no overseas agents or branches, serves zero stated overseas countries, and has no overseas warehouse or showroom, which limits localized after-sales support.

R&D capabilityThe supplier has its own R&D base, reported new products during the past year, provides ODM services, and supports customization from samples and designs. No internationally recognized design awards or national science and technology progress awards are reported, and no SDK is available; these records support practical product development but not broader innovation recognition.

Production capacityThe supplier reports its own production base, advanced cemented carbide equipment, a testing center, precision mould production lines, three production lines, and documented finished-product inspection. Stated tungsten carbide capacity is 1,000 tons in one company description and 1,800 tons in other records; inventory capability is available, but the lack of a valid contract with related subcontractors is a documented governance weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly supporting a broad range of customer-specific development and manufacturing requirements.