What is the outer diameter range?

The outer diameter ranges from 20mm to 600mm.

What certifications do you have?

Our products are certified by SGS and CE.

What is the working condition?

The drill bits are designed for wet use with water.

Diamond Core Drill Bits for Concrete Drilling Tools

Name: Diamond Core Drill Bits for Concrete Drilling Tools
Brand: Quanzhou JDK Diamond Tools Co., Ltd.
SKU: 791661535

Fujian, ChinaQuanzhou JDK Diamond Tools Co., Ltd.

US$10.00-30.00

10 Pieces

Product profile

Type

Core Drill

Usage

Metal Drilling

Certification

SGS/Ce

Model NO.

JDK-CD11

Outer Diameter

20-600 mm

Drilling Depth

400mm/450mm

Working Condition

with Water, Wet Use

Application

Concrete Drilling

Connector

M14/5/8", 1/2 Gas

Matrix

Allloy Steel

Welding Method

High Frequent/Laser

Transport Package

Box/Carton/Plywood Case

Specification

SGS/CE

Trademark

JDK diamond core drill bit

Origin

Quanzhou China

HS Code

82079010

Production Capacity

1000PCS/Week

Key features

High Drilling Speed: Thinner diamond segment and tube wall reduce resistance for faster drilling.

Reinforced Concrete Capability: Especially effective for drilling through reinforced concrete structures.

Low Drilling Pressure: Designed for very fast drilling speed with minimal pressure required.

Flexible Connector Options: Different connection ends available to match various drilling machines.

Comprehensive Customization: Full, minor, and flexible customization available from samples or designs.

Durable Alloy Steel Matrix: Constructed with high-quality alloy steel for long-lasting performance.

SGS and CE Certified: Product meets international safety and quality standards with SGS/CE certification.

Optimized Packaging: Carton or wooden case options selected based on shipping method and weight.

Company profile

Exhibition ExperienceYears of Export ExperienceImporters and ExportersExperienced Team

Quanzhou JDK Diamond Tools Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryJDK is a stone-tool manufacturer offering diamond saw blades, segments, wire saws, abrasives, polishing pads, grinding wheels, and drilling products. It demonstrates broad customization and OEM/ODM capability, maintains inventory, and reports production of multiple diamond-tool product lines. However, it operates one production line, reports only one year of R&D-engineer experience, has no recent new-product development, and lacks an effective written service-record system. No supplier-management certifications are reported, and no overseas warehouse or showroom is available. Financial information is represented only by years rather than assessable financial metrics, so credibility cannot be determined from the provided evidence.

Supplier typeThe supplier is presented as a manufacturer of stone-processing tools, including diamond saw blades, segments, wire saws, abrasives, polishing pads, grinding wheels, and core drill bits. Its equipment list includes cold- and hot-press, polishing, sharpening, welding, and laser-marking machinery, while OEM and ODM services are also stated.

CertificationsThe supplier-management-system certification field is explicitly reported as “NIL.” Therefore, no certification holding is evidenced in the provided information.

After-Sales capabilityThe supplier has inventory capacity, accepts multiple service quotation and payment terms, and reports peak- and off-season lead times within 15 working days. However, service assessment has no written procedures or records, and complaint handling and corrective/preventive-action procedures lack written records; overseas warehouse and showroom services are unavailable.

R&D capabilityThe supplier provides customization and ODM services, but reports no available SDK, no new products during the past year, one total year of R&D-engineer experience, and no ERP-based digital management. Its sustainable-development technical-transformation, big-data, and OA-system fields are recorded as 0, indicating limited documented innovation infrastructure.

Production capacityProduction evidence includes listed machinery, inventory capacity, 50 qualified service suppliers, and stated annual outputs for diamond blades, fickerts, frankfurts, polishing pads, and segments. The supplier operates one production line, while manufacturing capacity is not covered by a valid contract with related subcontractors; therefore, output capability is demonstrated but capacity assurance has a stated weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, alongside ODM services. This is direct evidence of broad customization coverage.