What are the payment terms?

Payment terms include 30% advance and 70% balance, or T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

What is the minimum order quantity?

The minimum order quantity is 10 pieces.

What is the lead time for bulk orders?

The bulk order time is typically 20-25 days.

Vacuum Brazed Diamond Hole Saw Core Drill It for Drilling Ceramic porcelain Stone Material

Name: Vacuum Brazed Diamond Hole Saw Core Drill It for Drilling Ceramic porcelain Stone Material
Brand: DONGYAN INTERNATIONAL CO., LTD.
SKU: 863176925

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

Standard

ISO2000:9001

Model NO.

DY-01

Length

65mm or as Your Requirements

Type

Core Drill Bit

Material

Diamond

Usage

Metal Drilling, Masonry Drilling, Glass or Ceramic Drilling

Advantage

Fast Cutting Speed and Long Working Life

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, Color Box

Specification

5-128mm

Trademark

OEM

Origin

Jiangsu Province, China

HS Code

8207191000

Production Capacity

100000/Month

Key features

Fast Drilling Speed: Capable of drilling one hole in just 10 seconds.

Extended Tool Life: Offers 10 times longer life compared to electroplated tools.

High Working Speed: Operates efficiently at 6000 to 10000 RPM.

Versatile Material Application: Suitable for ceramic, porcelain, granite, marble, glass, quartz, and more.

Dry and Wet Usage: Designed for both dry and wet drilling applications.

Free Sample Availability: Sample cost is free with a production time of 5-7 days.

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

Comprehensive Service: Includes free replacement of damaged goods and free packaging design.

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: ≤15h 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 performance 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?

The vacuum brazed diamond core drill bit has a working life that is 10 times longer than electroplated tools.

Q:What is the recommended working speed?

The optimal working speed range is between 6000 and 10000 RPM.

Q:Can I get a free sample?

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

Q:Is customization available for this product?

Yes, length and color can be customized as per your requirements, and special applications are available upon request.