What is the maximum RPM for this drill bit?

The optimum RPM range is 10,000 to 12,000.

Hexagon Porcelain Tile Bit Core Drill Bit Ceramic Diamond Drill Bit

Name: Hexagon Porcelain Tile Bit Core Drill Bit Ceramic Diamond Drill Bit
Brand: QUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.
SKU: 1953306405

Fujian, ChinaQUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.

US$4.50-6.50

5 PCS

Sample price:US$2.00/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

Saw Blade External Diameter

5-125mm

Machines

Used on Angle Grinders

Application

Dry Drill All Tiles, Porcealins, etc

Optimum Rpm

10, 000-12

Speed

20s/Hole

Feature

Self Cooling, Self Sharpening

Transport Package

Transparent Plastic Box

Specification

5-125mm

Trademark

ZHUOSHI

Origin

China

HS Code

82075010

Production Capacity

20000PCS/Month

Key features

Vacuum Brazed Technology: Dry drill bits with vacuum brazed construction for superior durability.

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

Premium Diamond Grit: Uses top grade diamonds with 40# grit for fantastic drilling speed.

Extended Service Life: Lasts significantly longer than electroplated bits, especially in wet conditions.

Versatile Application: Suitable for drilling granite, marble, hard tiles, and hard porcelain.

Customizable Options: Available in customized sizes ranging from 5mm to 125mm external diameter.

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.