What are the available connector types?

Available connectors include 1/2' Gas and various sizes like 25mm and 20mm.

What is the working condition for these bits?

These drill bits are designed for wet use conditions.

What is the RPM range for the drill bits?

The RPM range is between 4200 and 4600.

Diamond Drilling Bits/Core Drilling for Stones Drilling

Name: Diamond Drilling Bits/Core Drilling for Stones Drilling
Brand: Quanzhou JDK Diamond Tools Co., Ltd.
SKU: 868526405

Fujian, ChinaQuanzhou JDK Diamond Tools Co., Ltd.

US$15.00-30.00

5 Pieces

Product profile

Customized

Color

Any Color

Standard

Ce SGS ISO

Model NO.

JDK-C1302

Usage

Oil Mining, Coal Mining, Well Drilling, Ore Mining, Stone Drill

Material

Diamond

OEM

Yes

Application

Marble/Granite/Concrete,Masonry Drilling

Length

25-90mm

Type

Core Drill Bit

Welding Method

High Frequent/Laser

Delivery Time

7 Days After Payment

Working Condition

Wet Use

MOQ

5PCS

Supply Type

Manufacturer

Drilling Depth

60mm

Connector

1/2" Gas

Rpm

4200-4600

Outer Diameter

25mm

Transport Package

Box/Carton/Plywood Case

Trademark

JDK

Origin

Quanzhou, China

HS Code

82079010

Production Capacity

10000PCS/Month

Key features

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

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

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

Customizable Segments: Offers sandwich, groove types with shapes like straight, trapezia, boatshape, K, V.

Long Lifespan: Features good sharpness, stable performance, and high cutting efficiency.

OEM Service Available: Full OEM service and custom design options available upon request.

Fast Sample Delivery: Samples can be delivered in a very short time for testing.

15+ Years Experience: Manufacturer with over 15 years of industry experience and technology.

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: ≤18h

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.