What sizes are available?

Diameters range from 6mm (1/4 inch) to 150mm (6 inches), with lengths of 60mm or 76mm.

Which tools are compatible with these bits?

They are compatible with angle grinders, impact drills, and CNC machines using various shank adaptors.

What are the shipping terms?

We offer FOB, CIF, CFR, and EXW terms, with shipping from Shanghai or Ningbo Port.

Speedflex High-Performance Diamond Core Drill Bits for Professionals

Name: Speedflex High-Performance Diamond Core Drill Bits for Professionals
Brand: Diaflex (Changxing) Tools Co., Ltd.
SKU: 2067263202

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

US$4.00-60.00

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

Wide Diameter Range: Available from 6mm to 150mm to suit various drilling needs.

Multi-Material Versatility: Cuts through granite, marble, porcelain, ceramic, and artificial stone.

Vacuum Brazed Diamond Coating: Engineered to conquer hard materials with precise, smooth cuts.

Customizable Dimensions: Diameter and Length can be customized to specific requirements.

Flexible Customization Options: Offers full, minor, and sample-based customization services.

Durable Construction: Built with top-tier materials for enduring performance and value.

User-Friendly Operation: Easy to use for both professionals and DIY enthusiasts with water cooling.

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: ≤0.02h 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.