What payment terms are accepted?

We accept LC, T/T, PayPal, Western Union, and Money Gram.

Granite Diamond Drill Bit Dry Drill Bis for Tiles Diamond Tool Core Drill Bit

Name: Granite Diamond Drill Bit Dry Drill Bis for Tiles Diamond Tool Core Drill Bit
Brand: QUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.
SKU: 1947473395

Fujian, ChinaQUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.

US$6.00-22.00

5 PCS

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

DIN, JIS, AISI

Length

Stub-length

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling, Drilling

Kind

Diamond Drill

Manufacturing Arts

Vacuum Sintered

Diameter

5-150mm

Machines

Used on Angle Grinders

Application

Dry Drill All Tiles, Porcealins, Granite etc

Optimum Rpm

10, 000-12

Overall Length

90mm

Speed

Faster Drilling Than The Regular Type

Thread

M10, M14, 5/8''-11

Transport Package

Transparent Plastic Box

Specification

5-125mm

Trademark

Zstone

Origin

China

HS Code

82075010

Production Capacity

20000PCS/Month

Key features

Vacuum Sintered Diamond: Premium quality diamonds with stable brazing materials for superior durability.

Dry and Wet Drilling: Versatile usage for dry drilling of tiles, granite, and marble, or wet drilling.

Extended Service Life: Life is significantly longer than electroplated bits, especially in dry conditions.

High Speed Performance: Faster drilling speed compared to regular types with optimum RPM of 10,000-12,000.

Self-Cooling Design: Cooling slots design ensures self-cooling and easier core removal when stuck.

Smooth Drilling Shank: Protective diamond strips on the shank make drilling smoother and improve life.

Wide Diameter Range: Available in diameters from 5mm to 150mm to suit various drilling needs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceQuality AssuranceQA/QC Inspectors

QUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-10-01Nearest Port: XIAMENAverage Response Time: ≤15hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is located in Xiamen, Fujian, China, and reports production of diamond segments, saw blades, and drill bits. It has 6–10 R&D engineers, 6–10 quality-control staff in one slice, and offers flexible customization, ODM, and OEM services. However, the records show no approved-supplier list, no written corrective-action or complaint-handling procedures, no raw-material traceability, and only limited overseas service infrastructure. Quality assurance is stated as present, but finished products are checked by packing staff and another slice reports one quality assurance/control inspector. Financial information is insufficient for assessment, and no customer cases are provided.

After-Sales capabilityThe supplier reports in-stock service capability and training as an overseas service offering, with Xiamen Port identified as the nearest port. However, it has no overseas agents or branches, no overseas warehouse or showroom, has served zero countries, and lacks written complaint-handling and corrective-action procedures.

R&D capabilityThe supplier reports no new products during the past year, no SDK availability, and no professional technical-supplier R&D capability. Although it offers flexible customization and ODM services, the available evidence does not demonstrate strong product innovation.

Production capacityThe supplier reports annual output of 3,000,000 diamond segments, 500,000 saw blades, and 200,000 drill bits, with stated lead times within 15 working days in both peak and off-season. It also reports in-stock capability and 100% finished-product inspection, but outsourcing procedures and manufacturing contracts have unknown status.

Customization capabilityFlexible customization is explicitly reported, and the supplier states that it provides ODM services and OEM services for popular brands. These records support a positive assessment of customization capability, although no specific customization examples or technical scope are provided.

Product Q&A

Q:Can this drill bit be used for wet drilling?

Yes, it can be used wet or dry. Performance is much better in wet conditions, and the life will be times more than electroplated drill bits which cannot be used in dry drilling.

Q:What materials can this diamond drill bit drill?

It is suitable for dry drilling of granites, marble, hard tiles, hard porcelain, ceramics, etc.

Q:What is the recommended RPM for this drill bit?

The optimum RPM is 10,000-12,000. It offers faster drilling speed than regular types.

Q:What are the available diameter sizes?

The diameter ranges from 5mm to 150mm.

Q:What is the lead time for shipping?

The average lead time is within 15 workdays for both peak season and off season.