What is the minimum order quantity?

The minimum order quantity is 50 pieces.

What are the lead times for delivery?

Both peak and off-peak season lead times are within 15 working days.

How do you handle shipping and customs?

We ship via Commercial Express (UPS, DHL, FedEx, Aramex) or by air, sea, or land. A tracking number is provided within two working days. We are not responsible for customs charges or taxes.

Wholesale 5/8''-11 Thread Vacuum Brazed Diamond Core Drill Bit for Ceramic Stone

Name: Wholesale 5/8''-11 Thread Vacuum Brazed Diamond Core Drill Bit for Ceramic Stone
Brand: Zhengzhou Rayjie Tools Co., Ltd.
SKU: 2157319452

Henan, ChinaZhengzhou Rayjie Tools Co., Ltd.

US$1.80-2.00

10 Pieces

Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001

Model NO.

RJ23677

Length

60mm

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling

Grit

35/40#, 50/60#

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, Hex, Round, 5/8-11, 1/2gas

Feture

Less Chipping on Tiles

Diamond Height

15mm, 10mm, etc

Qty of Holes Drilling

150+ Holes

Transport Package

Paper Box, Plastic, Aluminium Suitcase, etc

Specification

5mm-120mm

Trademark

Rayjie or OEM

Origin

China

HS Code

8207501000

Production Capacity

500000pieces / Month

Key features

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

Dry and Wet Cutting: Versatile for various environments; adding water prolongs service life.

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

Customizable Grit Sizes: Options include 35/40# and 50/60# to suit different drilling needs.

Lightning Serrated Design: Provides longer working life with fast and smooth drilling performance.

Less Chipping on Tiles: Specialized design prevents damage to hard tiles and marbles during drilling.

Long Service Life: High-density diamond particles reduce the need for frequent head replacement.

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: ≤1.86h 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.

Product Q&A

Q:Who are we?

We are based in Henan, China, started in 2016, with 11-50 office staff. We sell to North America, Western Europe, Mid East, South America, Eastern Europe, Southeast Asia, Northern Europe, and Southern Europe.

Q:How can you guarantee quality?

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

Q:What can you buy from us?

We produce diamond tools with different models or sizes as per your request, offering OEM or ODM services.

Q:Why should you buy from us not from other suppliers?

Our core team has over 20 years of experience in the diamond tools business line, focusing on continuous technology and capacity improvement.

Q:What services can you provide?

We accept delivery terms FOB, CFR, CIF; payment currencies USD, EUR; and payment types T/T, L/C, Credit Card, PayPal, Western Union, Cash.