What is the working life of these drill bits?

The sintering technology provides a much longer working life with less heat generation and breakage.

Do I need water when using these drill bits?

Yes, water must be used for lubrication during operation.

What is the available size range?

The available diameter range is from 6mm to 100mm.

Ruizuan OEM/ODM Brocas De Diamante 6-100mm Marble Granite Multipurpose Drill Bits Diamond Core Drill Bits

Name: Ruizuan OEM/ODM Brocas De Diamante 6-100mm Marble Granite Multipurpose Drill Bits Diamond Core Drill Bits
Brand: Zhengzhou Ruizuan Diamond Tool Co., Ltd.
SKU: 2081281175

Henan, ChinaZhengzhou Ruizuan Diamond Tool Co., Ltd.

US$0.56-8.16

10 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Customized

Length

Jobber-length

Type

Core Drill Bit

Material

Diamond

Usage

Tile,Glass,Marble,Stone,Floor Tiles,Walls,Concrete

Product Name

Diamond Core Drill Bit

Size

6-100mm

Color

Blue

Process

Sintered

Shank

Application

Tile, Glass, Marble, Stone, Floor Tiles, Walls

Use

Concrete Driling Holes

Quality

High Level

Hardness

Standared

Package

Standard Packging

Transport Package

Standard Packaging

Specification

6-100mm

Trademark

Origin

China

Production Capacity

1000000pieces/Year

Key features

Wide Application Range: Drills tile, ceramic, granite, marble, stone, glass, concrete, and masonry.

Sintering Technology: Provides longer working life with less chipping and better finish quality.

High Diamond Exposure: Ensures faster and more aggressive drilling performance.

Full Customization: Offers full customization and customization from designs.

OEM/ODM Service: Supports both OEM and ODM services for tailored production.

Flexible MOQ: Accepts minimum order quantity of 1 piece.

Fast Delivery: Delivery within 3-30 days depending on season and quantity.

Multiple Payment Options: Supports LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Company profile

High Repeat Buyers ChoiceFast DeliveryCustomization from DesignsR&D Capabilities

Zhengzhou Ruizuan Diamond Tool Co., Ltd.

Henan, China

Business Type: Trading CompanyAverage Response Time: ≤1.89h

AI-Powered supplier vetting

SummaryZhengzhou Ruizuan Diamond Tool Co., Ltd. is identified as a limited trading company in Zhengzhou with 19 employees and valid import/export licensing. It offers full customization, ODM, and OEM services, has substantial export exposure, and reports nine years of export experience. Operational strengths include in-stock service capacity, overseas warehouse capability, multiple quotation and payment options, and documented complaint-handling procedures. However, several controls remain undocumented or incomplete, including corrective and preventive action procedures, raw-material traceability, outsourcing manufacturing procedures and contracts, and fire-drill status. The supplier has no overseas showroom, no SDK availability, and no explicit production-facility evidence. An SGS audit is recorded, but the stated audit result is 0 and the report validity ended in 2024; the provided data does not explain the scoring system or confirm current certification status.

Supplier typeThe supplier is described as a limited company and a trading company located in Zhengzhou, with 19 employees and valid import/export licensing. Its primary offerings are hardware products and ordinary mechanical equipment, while no larger-company affiliation is indicated.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with follow-up records and describes a commitment to customer service. It also reports in-stock capability, overseas warehouse capability, multiple quotation and payment terms, and defined peak- and off-season lead times; however, corrective and preventive-action procedures are not documented.

R&D capabilityThe supplier provides ODM services and full customization or customization from designs, indicating design-related capability. It does not provide an SDK, and the available information does not establish broader research investment, proprietary technology, or measurable innovation outcomes.

Customization capabilityThe supplier explicitly offers full customization and customization from designs, as well as ODM services. These statements directly support a capability to provide customized products and design-based manufacturing services.

Client casesThe supplier states that it provides OEM services for well-known brands and reports that exports represent 71%–90% of total sales, with nine years of export experience. These are indications of relevant customer and international-market experience, but no customer names, project details, or independently verifiable case studies are provided.