What is the lead time for production?

The average lead time is one month for both peak and off-season periods.

How should the bit be cooled during use?

It is important to use lots of water to cool the bit and prevent overheating.

Precision Diamond Core Drill Bit for Easy Hole Drilling

Name: Precision Diamond Core Drill Bit for Easy Hole Drilling
Brand: Diaflex (Changxing) Tools Co., Ltd.
SKU: 2065294972

Zhejiang, ChinaDiaflex (Changxing) Tools Co., Ltd.

US$4.50-50.00

50 Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Customized

Length

Customized

Type

Core Drill Bit

Material

Diamond

Usage

Tiles Drilling

Shipping Cost

Contact The Supplier About Freight and Estimated D

Secure Payments

Every Payment You Make at Made-in-China.com Is PRO

Refund Policy

Claim a Refund If Your Order Doesn't Ship, Is Mis

Color

Customizable

Features

Fast Speed, High Efficiency

Formation

Medium Hard, Hard Rock Formation

Transport Package

Hang Tag

Specification

customized

Trademark

Diaflex

Origin

China

HS Code

8207501000

Key features

Versatile Material Compatibility: Effectively drills granite, marble, porcelain, ceramic, and artificial stone.

High Precision & Clean Cuts: Vacuum brazed diamond coating ensures smooth, chip-free cuts without damaging material.

Wide Diameter Range: Available in diameters from 1/4 inch (6mm) to 6 inches (150mm).

Multi-Device Compatibility: Works with angle grinders, impact drills, and CNC machines.

Customizable Specifications: Length and color are fully customizable to meet specific project needs.

High Efficiency & Speed: Designed for fast drilling speed and high efficiency in medium to hard rock formations.

Durable Construction: Made with high-quality materials for a long lifespan and excellent ROI.

Company profile

Fast DeliveryFlexible CustomizationR&D CapabilitiesImporters and Exporters

Diaflex (Changxing) Tools Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤0.89h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryDiaflex (Changxing) Tools Co., Ltd. is a China-based trading company established in 2024 with six employees. It offers OEM/ODM and multiple customization options, supported by stated technical assistance, but it reported no new products launched in the past year and no available SDK. Operational fulfillment capacity appears limited: it has no stated manufacturing-capacity contract, inventory, overseas warehouse, or overseas showroom. Service and quality-control systems are insufficiently documented, with no written complaint-handling or corrective-action procedures and zero quality-control test equipment reported. Financial information is represented only by years, without assessable performance figures. The supplier accepts several payment methods, reports one-month lead times in both peak and off-season, and exports 51%–70% of total sales. No certification evidence or customer cases are provided.

After-Sales capabilityThe supplier states that it provides service before, during, and after sales and accepts multiple payment methods, but it has no written complaint-handling or corrective/preventive-action procedures or records. The stated service commitment is therefore not supported by documented systems.

R&D capabilityThe supplier reports no new products launched during the past year and no available SDK, which are explicit limitations. It does state that technical support can develop specific items to customer requests, but this does not establish broader product innovation capability.

Production capacityThe supplier reports no valid manufacturing-capacity contract with its factory or related subcontractors, no inventory capability, and zero quality-control test equipment. Although it reports 15 qualified service suppliers and one-month average lead times, the evidence shows material deficiencies in documented production and quality-control readiness.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and states that OEM and ODM are available with technical support for specific customer requirements. This is direct evidence of broad customization capability.