What are the shipping options?

We ship via Commercial Express (UPS, DHL, FedEx, Aramex) or by air, sea, or land as requested, with tracking updated within two working days.

What is the minimum order quantity?

The minimum order quantity is 50 pieces.

What is the lead time for orders?

Lead time is within 15 workdays or one month, depending on peak or off-peak seasons.

M14 Thread Diamond Core Drill Bit 45-65mm Adjustable for Sink & Basin Installation

Name: M14 Thread Diamond Core Drill Bit 45-65mm Adjustable for Sink & Basin Installation
Brand: Zhengzhou Rayjie Tools Co., Ltd.
SKU: 2166252082

Henan, ChinaZhengzhou Rayjie Tools Co., Ltd.

US$8.00-9.50

10 Pieces

Sample price:US$9.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001

Model NO.

RJS-3321

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: Ensures durability with double-layer diamond design for efficient drilling.

Versatile Thread Compatibility: Fits M14, 5/8-11, M10, Hex, and Round shanks for various drills.

Multi-Color Customization: Available in Gold, Black, Red, Blue, or custom color requirements.

Chip Removal Design: Optimized hole design for fast chip removal and heat dissipation.

Wide Material Application: Ideal for ceramics, marble, porcelain, quartz, granite, and tiles.

Dry and Wet Usage: Suitable for both wet and dry drilling operations on masonry.

Customizable Grit Options: Available in 30/35#, 40/45#, 60/80#, and other grit specifications.

Professional Manufacturing: Over 20 years of experience in diamond tool production and supply.

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: ≤2.17h 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, selling globally to North America, Western Europe, and other regions.

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 manufacturing and supplying diamond tools, focusing on continuous technology improvement.

Q:What services can you provide?

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