What is the minimum order quantity?

The minimum order quantity is 50 pieces.

What is the lead time for delivery?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Can the drill bits be used for dry cutting?

Yes, the hole saw bit can be cut arbitrarily in wet or dry, though adding a little water makes it smoother and prolongs service life.

1 Set/13PCS Vacuum Brazed Diamond Drill Core Bits Set Granite Marble Drilling Bit Hole Saw Cutter Set for Angle Grinder

Name: 1 Set/13PCS Vacuum Brazed Diamond Drill Core Bits Set Granite Marble Drilling Bit Hole Saw Cutter Set for Angle Grinder
Brand: Zhengzhou Rayjie Tools Co., Ltd.
SKU: 2147870192

Henan, ChinaZhengzhou Rayjie Tools Co., Ltd.

US$48.00-56.00

50 Pieces

Sample price:US$56.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001

Model NO.

RJB0010

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 design allows use in both dry and wet environments for various user needs.

Complete 13-Piece Set: Includes sizes 6mm to 100mm for versatile drilling applications on stone and tiles.

U-Shaped Chip Grooves: Designed for fast, smooth drilling and extended service life with less chipping.

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

OEM and ODM Service: Professional manufacturer offering custom models and sizes based on your request.

Superhard Material Drilling: Specifically developed for drilling hard tiles, marbles, granite, and concrete.

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: ≤0.93h 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.