What is the working speed of the drill bit?

The working speed ranges from 6000 to 10000 RPM.

Does the product come with a warranty?

We provide free replacement for any damaged goods.

What certifications does the factory have?

The factory strictly conforms to the ISO9001-2000 quality control system.

Vacuum Brazed Bit/Ceramic Hole Saw

Name: Vacuum Brazed Bit/Ceramic Hole Saw
Brand: DONGYAN INTERNATIONAL CO., LTD.
SKU: 747349502

Jiangsu, ChinaDONGYAN INTERNATIONAL CO., LTD.

US$3.20

50-199 Pieces

US$3.00

200-499 Pieces

US$2.95

500+ Pieces

Sample price:US$3.50/piece.Request sample

Product profile

Customization

Available

Customized

Type

Core Drill Bit

Material

Diamond

Usage

Metal Drilling, Masonry Drilling, Glass Drilling

Advantage

Fast Cutting Speed

Color

as Your Requirements

Sample Cost

Free

Sample Production Time

5-7days

Bulk Order Time

20-25days

Payment Term

30% Advance, 70% Balance

Industry Experience

8years

Certificate

MPa, BSCI

Transport Package

Blister Package, White Box

Specification

5-128mm

Trademark

Origin

Jiangsu Province, China

HS Code

8207191000

Production Capacity

100000/Month

Key features

Fast Cutting Speed: Drills one hole in approximately 10 seconds for high efficiency.

Extended Tool Life: Lasts 10 times longer than standard electroplated tools.

Wide Material Compatibility: Suitable for ceramic, porcelain, granite, marble, glass, quartz, and more.

High Speed Performance: Operating speed ranges from 6000 to 10000 RPM for heavy-duty use.

Dry and Wet Usage: Versatile design allows for both dry and wet drilling applications.

Custom Color Options: Color can be customized to meet specific customer requirements.

Free Sample Availability: Samples are provided at no cost for quality testing.

ISO 9001 Certified: Manufactured under strict ISO9001-2000 quality control standards.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

DONGYAN INTERNATIONAL CO., LTD.

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤9.00h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a small trading company in Wuxi, China, focused on hardware tools and related product sales. It has five employees, one R&D engineer, no cooperative suppliers reported, and no stated manufacturing capability. Customization is offered across samples, designs, full and minor customization, and the company reported new products during the past year, but it does not provide ODM services or OEM services for popular brands and has no available SDK. Service procedures, complaint handling, and corrective/preventive-action procedures are documented with follow-up records, although the approved-supplier list lacks approval signatures or dates. An audit by TUV Rheinland is reported as valid from June 30, 2026 to June 29, 2027, but the evaluation result is recorded as 0 without interpretation. Quality-assurance and traceability status are unknown, and no quality-control test equipment is reported. Financial records are indicated for 2023–2025, but no financial performance conclusion is possible from...

Supplier typeThe supplier is explicitly identified as a trading company and limited company located in Wuxi, China, with five employees and no reported affiliation with a larger group. Its stated activities center on sales and wholesale of hardware tools, machinery, hardware and electrical appliances, construction materials, and related goods, indicating a small independent trading profile rather than a manufacturing entity.

After-Sales capabilityThe supplier has a documented service-capability assessment procedure with follow-up records, a corrective and preventive action procedure with records, and a clear customer-complaint procedure with follow-up records. However, the approved-supplier list lacks approval signatures or dates; this does not directly negate complaint or service handling, but it indicates an administrative control weakness.

R&D capabilityThe supplier reports at least one new product during the past year and has one R&D engineer, supporting some product-development activity. Nevertheless, it has no available SDK, does not provide ODM services, and the limited staffing indicates only modest documented R&D capacity rather than a strong innovation platform.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports new products during the past year, although no ODM service, SDK, or detailed engineering resources beyond one R&D engineer are available.

Product Q&A

Q:What materials can this drill bit be used on?

It is designed for high-speed drilling on ceramic, porcelain, granite, marble, glass, quartz, limestone, fiberglass, terracotta, terrazzo, quarry, and vitrified tiles.

Q:How long does the tool last compared to others?

This vacuum brazed diamond bit lasts 10 times longer than standard electroplated tools.

Q:Can the color be customized?

Yes, the color can be customized according to your specific requirements.

Q:What is the sample cost and production time?

The sample cost is free, and the sample production time is 5-7 days.

Q:What are the bulk order time and payment terms?

Bulk order time is 20-25 days. Payment terms are 30% advance and 70% balance.