What shipping methods do you offer?

We ship via Commercial Express (UPS, DHL, FedEx, Aramex), air, sea, or land as requested.

How do you guarantee quality?

We always provide a pre-production sample before mass production and conduct final inspection before shipment.

Diamond Finger Bit for Drilling Enlarging Shaping Exist Hole on Ceramic Granite

Name: Diamond Finger Bit for Drilling Enlarging Shaping Exist Hole on Ceramic Granite
Brand: Zhengzhou Rayjie Tools Co., Ltd.
SKU: 2155781682

Henan, ChinaZhengzhou Rayjie Tools Co., Ltd.

US$4.80-5.00

10 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001

Model NO.

RJF-588

Length

60mm

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling

Grit

80# 100#

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

Application

Granite Marble Tiles Quartz Stone

Feature

High Work Efficiency

How to Use

Open Hole, Reaming, Chamfering, Polishing

Total Length

75mm

Transport Package

Paper Box, Plastic, Aluminium Suitcase, etc

Specification

20mm or Customized

Trademark

Rayjie or OEM

Origin

China

HS Code

8207501000

Production Capacity

500000pieces / Month

Key features

Vacuum Brazed Technology: Firms diamond particles on substrate for high density, sharpness, and wear resistance.

Dry Use Capability: Designed for water-free drilling on superhard materials like stone and tiles.

Multi-Material Application: Ideal for enlarging, shaping, and beveling holes in porcelain, granite, marble, and quartz.

Extended Service Life: Less chipping and high durability reduce the need for frequent grinding head replacement.

Customizable Options: Colors (Gold, Black, Red, Blue) and packaging can be customized per requirements.

High Work Efficiency: Combines sharpness of glass hole saw with durability of sintered saw for fast processing.

Easy Operation: Compatible with angle grinders, featuring stable structure for user-friendly handling.

Professional Manufacturer: Over 20 years of experience in manufacturing and supplying high-quality diamond tools.

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: ≤1.12h 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.