What is the diamond grit size used?

The dry drill bits use 40# diamond grit. The 6mm and 8mm sizes feature top grade diamonds.

Does the drill bit require cooling?

It features a self-cooling design with cooling slots to facilitate easier core removal when stuck. It can be used dry or wet.

What are the available diameter sizes?

Diameters range from 6mm to 120mm, including 6, 8, 10, 12, 14, 16, 18, 20, 22, 25, 30, 32, 35, 38, 45, 50, 55, 60, 65, 70, 75, 90, 100, and 120mm.

Premium Quality Vacuum Brazed Hex Drill Bit Porcelain Tile Bit

Name: Premium Quality Vacuum Brazed Hex Drill Bit Porcelain Tile Bit
Brand: QUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.
SKU: 745983055

Fujian, ChinaQUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.

US$4.50-6.00

1 Piece

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Customized

Non-Customized

Standard

DIN

Length

Stub-length

Type

Core Drill Bit

Material

Diamond

Usage

Drilling Porcelain Granite

Manufacturing Arts

Vacuum Sintered

Machines

Stationary Drill, Cordless Drill, Power Drill

Application

Dry Drill All Tiles, Porcealins, etc

Optimum Rpm

Over 1, 500

Feature

Self Cooling, Self Sharpening

Speed

20s/Hole

Life

30holes on 17mm Red Granite, Dry Drill

Transport Package

Transparent Plastic Box

Specification

5-125mm

Trademark

WANSHIN

Origin

China

HS Code

82075010

Production Capacity

20000PCS/Month

Key features

Vacuum Brazed Technology: Dry drilling performance with superior durability compared to electroplated bits.

Self-Cooling Design: Features cooling slots for easier core removal and self-sharpening capability.

High Drilling Speed: Achieves drilling speed of 20 seconds per hole with fantastic performance.

Premium Diamond Quality: Uses 40# diamond grit with 8-10mm length, including top grade diamonds for 6mm-8mm sizes.

Extended Service Life: Lasts up to 30 holes on 17mm red granite, significantly longer than electroplated alternatives.

Versatile Application: Suitable for drilling porcelain, granite, marble, and hard tiles in both wet and dry conditions.

Wide Size Range: Available in diameters from 6mm to 120mm with hexangular or round shanks.

Global Acceptance: Widely accepted in European countries and other international markets.

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 in both wet and dry conditions. Performance is much better in wet conditions, and the life will be significantly longer than electroplated drill bits which cannot be used for dry drilling.

Q:What is the expected lifespan of the drill bit?

The drill bit has a lifespan of approximately 30 holes on 17mm red granite when used for dry drilling. It performs even better in wet conditions.

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

It is designed for drilling porcelain, granite, marble, hard tiles, and hard porcelain. It is widely accepted for use on all types of tiles.

Q:What is the drilling speed for this bit?

The drilling speed is very fast, achieving approximately 20 seconds per hole.

Q:What shank types are available?

The drill bits are available with Hexangular or Round shanks.