What is the lead time for delivery?

In-stock items can be delivered in 2-3 days. Large quantity orders take 15-30 days after receiving payment.

What is the warranty period?

The warranty period for the honing stones is 3 months.

What materials are used for the honing stones?

The honing stones are made of Diamond and CBN with a Metal bond, available in grit sizes from 70 to 1200#.

Cylinder Liner or Block Honing Stone with Hongtuo Brand

Name: Cylinder Liner or Block Honing Stone with Hongtuo Brand
Brand: Zhengzhou Hongtuo Precision Tools Co., Ltd.
SKU: 2031319362

Henan, ChinaZhengzhou Hongtuo Precision Tools Co., Ltd.

US$180.00

1-5 Sets

US$160.00

6+ Sets

Sample price:US$160.00/set.Request sample

Product profile

Customization

Available

Type

Sharpening Stones

Material

Diamond & CBN

Model NO.

Stone

Application

Cylinder,Valve,Bearing,Pump,Gear,Connecting Rod

Effect

Polishing

Usage

Inner Bore Honing

Warranty

3 Months

Feature

Long Life High Performance

Customized Support

OEM, ODM

Certification

ISO 9001

MOQ

1PCS

Grit Size

Customized

Packing

Plastic Bag & Carton Box

Bond

Metal

Transport Package

Plastic Bag & Carton Box

Specification

M27DM55

Trademark

Origin

Henan, China

Production Capacity

50000PCS/Year

Key features

Wide Industry Application: Used in automotive, aerospace, hydraulics, bearings, semiconductors, and solar energy industries.

High Performance Material: Made of Diamond & CBN with Metal bond for long life and high performance polishing.

Flexible Customization: OEM and ODM supported; customized grit sizes from rough to finish available.

Fast Delivery: 2-3 days for in-stock items; 15-30 days for large quantities after payment.

ISO 9001 Certified: Manufactured under ISO 9001 certification with 100% finished product inspection.

Low MOQ: Minimum Order Quantity is just 1 piece, suitable for testing and small batches.

Professional Manufacturer: Over 20 years of experience in honing tools and superabrasive grinding wheels.

Global Shipping: Door-to-door express shipping via FedEx, DHL, UPS, SF, and TNT.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export Experience

Zhengzhou Hongtuo Precision Tools Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 10 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.15h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with a strong emphasis on quality control and R&D capabilities, evidenced by ISO 9001:2000 certification and ODM/OEM services. While it lacks overseas branches and showrooms, it effectively manages in-stock capacity and participates in trade shows like CIMES. Financial credibility is unclear, but it has a stable production capability with facilities for CNC processing and sintering. Customization is flexible, but offshore business operations are absent.

CertificationsThe supplier holds ISO 9001:2000 certification and has been recognized with high-tech certifications by Henan Provincial authorities.

After-Sales capabilityThe supplier has clear procedures for corrective actions and customer complaints, supported by written records of assessment procedures.

R&D capabilityThe supplier has R&D capabilities with recent product development and offers ODM services, but lacks SDK availability.

Customization capabilityThe supplier provides flexible customization options through its design services capability.

Client casesThe supplier provides OEM services for well-known brands and its products are used across various industries.

Product Q&A

Q:Are you a manufacturer?

Yes, we are a professional manufacturer with more than 20 years of production experience in honing tools and superabrasive grinding wheels.

Q:Where is your factory located?

Our factory is located at No.135, Longfeinan Street, International Logistics Park, Economic Development Zone, Zhengzhou, Henan, China.

Q:Can you print our logo on products?

OEM and ODM are supported. We can customize logos according to your requirements, and we also have our own brand available.

Q:How do I place an order?

Please provide the honing machine model (horizontal/vertical), bore type, bore length, start/finish diameters, workpiece material, hardness, stock removal, and required surface finish.

Q:What payment methods do you accept?

We issue a Proforma Invoice (PI). Payments can be made via Letter of Credit (L/C), Telegraphic Transfer (T/T), Western Union, or PayPal.