What are the shipping options?

We could ship by Commercial Express, like UPS, DHL, FedEx, Aramex, we could also ship by air, by sea, by land as your request. A tracking number will be updated within two working days once your order is shipped.

What is the lead time for delivery?

Peak Season Lead Time: within 15 workdays, one month. Off Season Lead Time: within 15 workdays.

High Performance Concrete Diamond Core Bits for Tough Material Drilling

Name: High Performance Concrete Diamond Core Bits for Tough Material Drilling
Brand: Zhengzhou Rayjie Tools Co., Ltd.
SKU: 2152584422

Henan, ChinaZhengzhou Rayjie Tools Co., Ltd.

US$3.10-3.20

2 Pieces

Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001

Model NO.

RJ2199

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

Dry and Wet Cutting: Versatile for both dry and wet drilling environments to suit various user needs.

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

Longer Working Life: U-shaped chip grooves design provides extended durability and smooth drilling.

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

Customizable Sizes: Available in 6mm to 100mm or as required sizes.

OEM and ODM Service: Produce diamond tools with different models or sizes as per your request.

Less Chipping on Tiles: Specially developed for drilling superhard materials like hard tiles and marbles.

Customizable Packaging: Different product packaging, labels, and set box sizes can be customized.

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: ≤1.99h 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, start from 2016, sell to North America (30.00%), Western Europe (23.00%), Mid East (10.00%), South America (10.00%), Eastern Europe (10.00%), Southeast Asia (5.00%), Northern Europe (5.00%), Southern Europe (5.00%), Oceania (00.00%), Eastern Asia (00.00%). There are total about 11-50 people in our office.

Q:How can we guarantee quality?

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

Q:What can you buy from us?

Produce diamond tools with different models or sizes as per your request. (OEM or ODM Service)

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

Our core team had been in the business line of diamond tools for more than 20 years, and 20 years rich experience in manufacturing and supplying all kinds of Diamond Tools. We are keep improving our technology and capacity. We arefocus and professional.

Q:What services can we provide?

Accepted Delivery Terms: FOB,CFR,CIF; Accepted Payment Currency:USD,EUR; Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash; Language Spoken:English,Chinese