How long is the useful life compared to other bits?

It offers about 10 times the useful life of carbide drill bits and 4 times that of diamond drill bits.

What is the size range of the drill bit?

The size ranges from 28mm to 300mm in diameter.

Where are the nearest shipping ports?

The nearest ports are Qingdao, Shanghai, and Tianjin.

Coal Mine Drilling Bit Roof Bolting 28mm PDC Drill Bit

Name: Coal Mine Drilling Bit Roof Bolting 28mm PDC Drill Bit
Brand: Liaocheng Kaituo Construction Machinery Co., Ltd.
SKU: 734354402

Shandong, ChinaLiaocheng Kaituo Construction Machinery Co., Ltd.

Negotiable

50 Pieces

Product profile

Customization

Available

Customized

Standard

ISO

Model NO.

28mm M16

Type

Coal Mine Support Equipment

Material

Tungsten Carbide

Usage

Drilling Bit

Sales Area

Many Country

Thread Size

M16

Packaging

Standard Wooden Case

Color

According to The Customer

Mining Object

Coal Machinery

Shank Dia

16mm

Transport Package

Standard Wooden Boxes or Pails

Specification

ISO9001 SGS

Trademark

KATO

Origin

Shandong Province China

HS Code

84018487

Production Capacity

20000PCS/Pre Month

Key features

Customized Color: Color is available according to the customer's specific requirements.

High Drilling Efficiency: PDC cutting teeth greatly improve efficiency in medium hard and harder strata.

Extended Shelf Life: About 10 times useful life compared to carbide drill bits and 4 times compared to diamond bits.

Wear-Resistant Cutting Edge: Cutting edge is durable and wear-resistant, requiring no polishing.

Wide Application Range: Suitable for geological exploration, coal mining, water well drilling, and hydropower projects.

Fast Response Support: Professional and timely replies for inquiries, feedback, and technical problems.

Global Cooperation: Successfully cooperating with clients from nearly 20 countries for many years.

Short Lead Time: Peak and off-peak season lead times are both within 15 working days.

Company profile

Liaocheng Kaituo Construction Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2013-01-01Nearest Port: Qingdao port, Shanghai port, Tianjin portAverage Response Time: ≤4.44hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CIF, FCA, EXW

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing infrastructure, with 10 production lines, stated production experience, broad export-market coverage, and order lead times within 15 working days in both peak and off-peak periods. It supports customization from samples and designs and has OEM experience for well-known brands. Quality assurance, ERP-based operational management, fire-drill activity, and an environmental impact assessment are documented. However, important control and service gaps exist: no valid manufacturing-capacity contract with associated subcontractors, no inventory, overseas warehouse, overseas agent, branch, or showroom capability, and no offline trade-show participation. The supplier reports no new products in the past year, no ODM or SDK capability, no raw-material traceability, and no written corrective-action, complaint-handling, or service-capability assessment procedures. Financial information is represented only by year labels, so credibility cannot be determined.

Supplier typeThe supplier is presented as a manufacturing-oriented company with 10 production lines, production experience, and products interchangeable with named industrial brands. It serves a broad range of export markets and is located near Qingdao, Shanghai, and Tianjin ports, but lacks overseas agents, branches, warehouses, and showrooms.

After-Sales capabilityThe supplier has no in-stock service, overseas warehouse, overseas agent or branch, or overseas showroom capability. It also lacks written procedures or records for complaint handling, corrective and preventive actions, and service-capability assessment, indicating explicit weaknesses in structured after-sales support.

R&D capabilityThe supplier states that it has research and production experience and can customize from samples and designs, but reports no new products in the past year, no ODM service, and no available SDK. These explicit limitations outweigh the general research claim for innovation assessment.

Production capacityThe supplier operates 10 production lines, reports lead times within 15 working days in both peak and off-peak seasons, and has stated production experience and broad export coverage. However, it has no valid contract governing manufacturing capacity with associated subcontractors, so production capability is strong in scale and delivery but has a documented capacity-governance gap.

Customization capabilityThe supplier explicitly provides customization from samples and designs and reports OEM capability for well-known brands. Although it does not provide ODM services, the available evidence supports a positive assessment of customer-specific manufacturing and design adaptation.

Client casesThe supplier reports OEM service for well-known brands and states that its products are interchangeable with products from Sandvik, Atlas Copco, Kennametal, Betek, and Wirtgen. These statements indicate relevant brand-related experience, although no specific customer names, project details, or documented case studies are provided.