How do you guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment.

What shipping methods are available?

We could ship by Commercial Express (UPS, DHL, FedEx, Aramex), by air, by sea, or by land as your request.

New Arrival Full-Sand Diamond Core Drill Bits for Ceramic Tile Porcelain Granite Marble

Name: New Arrival Full-Sand Diamond Core Drill Bits for Ceramic Tile Porcelain Granite Marble
Brand: Zhengzhou Rayjie Tools Co., Ltd.
SKU: 2156869042

Henan, ChinaZhengzhou Rayjie Tools Co., Ltd.

US$2.50-2.60

2 Pieces

Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001

Model NO.

RJB-012

Length

60mm

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling

Grit

40/45#, 60/70#

Machine

Angle Grinder

Raw Material

Diamond+45mn Steel

Advantage

Dry Using, Longer Working Life

Process

Vacuum Brazed Technology

Color

Gold, Black, Red, Blue, or as Your Requirement

Connection

M14, 5/8-11

Feture

Less Chipping on Tiles

Diamond Height

Drilling 5mm/Milling 30mm

Qty of Holes Drilling

150+ Holes

Transport Package

Paper Box, Plastic, Aluminium Suitcase, etc

Specification

20mm-68mm

Trademark

Rayjie or OEM

Origin

China

HS Code

8207501000

Production Capacity

500000pieces / Month

Key features

Dry Drilling Capability: Specially developed for superhard materials like stone without water, combining sharpness and durability.

Vacuum Brazed Technology: Firmly fixes diamond particles for high density, sharpness, wear resistance, and longer working life.

High-Strength Steel Matrix: Ensures safety by preventing fragmentation and flying out during high-speed drilling operations.

Customizable Colors: Available in Gold, Black, Red, Blue, or as your requirement to meet specific branding needs.

Versatile Grit Options: Offers Grit 40/45# and 60/70# to suit different drilling requirements and material hardness.

Efficient Hole Capacity: Capable of drilling 150+ holes per bit, significantly saving working time and improving efficiency.

Professional OEM/ODM: 20+ years experience providing customized diamond tools, packaging, and design services.

Fast Response Support: Email replies within 24 hours with tracking numbers updated within two working days of shipment.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityCustomization from DesignsR&D Capabilities

Zhengzhou Rayjie Tools Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 1 Year CertifiedNearest Port: Zhengzhou AirportAverage Response Time: ≤1.79h CertifiedTerms of Payment: T/T, PayPal, Western Union, etc.

AI-Powered supplier vetting

SummaryZhengzhou Rayjie Tools Co., Ltd. describes itself as a professional manufacturer and supplier of diamond tools, with claimed experience, production equipment, quality controls, and a complete industrial chain. It reports SGS certification and customization from designs. Export activity is stated at 90% of total sales, but the supplier began exporting only one year ago and has no overseas showrooms, agents, branches, or offline trade-show participation. After-sales service is included in its industrial chain, yet documented service procedures are unavailable. Innovation evidence is weak: no new products were introduced in the past year, and ODM, SDK, and well-known-brand OEM services are unavailable. Reported financial figures are all zero, so financial credibility cannot be positively established from the provided information.

Supplier typeThe supplier explicitly identifies itself as a professional manufacturer and supplier specializing in diamond tools. Its stated activities cover design, mold development, procurement, processing, inspection, and after-sales service, supporting classification as an integrated manufacturer rather than only a trading intermediary.

CertificationsThe supplier states that it has passed authoritative SGS certification and maintains quality control from raw-material inspection through delivery. It also reports an independent trademark and standardized brand operation system, although no certificate scope or validity details are provided.

R&D capabilityThe supplier states that it introduced no new products during the past year and does not provide ODM services or an available SDK. Although it describes itself as engaged in R&D and production, the explicit recent innovation indicators show limited demonstrated innovation capability.

Production capacityThe supplier reports a complete industrial chain, advanced production lines, precision testing instruments, mature processing technology, and quality controls covering production through delivery. These statements explicitly support production capability, though no capacity, output, or equipment quantities are provided.

Customization capabilityThe supplier explicitly offers customization from customer designs. This supports design-based customization, but the provided information does not establish the scope, technical limits, tooling process, or delivery performance of customized orders.