Is customization available for this product?

Yes, we offer OEM/ODM services with customizable grit, color, connection, and raw materials.

What shipping methods do you support?

We support Commercial Express (UPS, DHL, FedEx), air, sea, and land shipping.

China M14 Brazed Diamond Core Drill Bit for Marble Dry Hollow Granite Vacuum Used and Scrap Cutting Tool

Name: China M14 Brazed Diamond Core Drill Bit for Marble Dry Hollow Granite Vacuum Used and Scrap Cutting Tool
Brand: Zhengzhou Rayjie Tools Co., Ltd.
SKU: 2146205022

Henan, ChinaZhengzhou Rayjie Tools Co., Ltd.

US$1.50-1.60

1 Piece

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001

Model NO.

RJ1671

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 longer working life.

Dry and Wet Cutting: Versatile usage in both dry and wet environments; adding water prolongs service life.

U-Shaped Chip Grooves: Design ensures fast, smooth drilling and prevents chipping on tiles.

Multi-Size Set Available: Set includes 13 sizes from 6mm to 100mm for various drilling needs.

Professional OEM/ODM: Customizable grit, machine type, raw material, and connection based on requirements.

High Efficiency Drilling: No need to frequently replace grinding heads, saving time and improving efficiency.

20+ Years Experience: Professional manufacturer with over 20 years of experience in 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: ≤1.02h 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.