What is the lead time for delivery?

Items in stock are delivered within 2-3 days, while large quantity orders typically take 15-30 days after payment is received.

What is the minimum order quantity?

The minimum order quantity is 1 piece, making it easy to order samples or small batches.

Do you offer customization for honing stones?

Yes, we provide customized honing stones and tools. Please send us drawings or details, and we will recommend a suitable size.

Sunnen an Diamond&CBN Honing Stone for 64-140mm Big Bore Honing

Name: Sunnen an Diamond&CBN Honing Stone for 64-140mm Big Bore Honing
Brand: Zhengzhou Hongtuo Precision Tools Co., Ltd.
SKU: 2031386022

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.

HT-1

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

Customized

Trademark

Origin

Henan, China

Key features

Diamond & CBN Material: High-performance abrasive material for superior polishing and long life.

Customized Grit Size: Available in grit sizes from 70 to 1200# to suit rough to finish applications.

OEM & ODM Support: Full customization support including logo printing and specific design requirements.

Wide Application Scope: Suitable for cylinder blocks, liners, connecting rods, and various industrial components.

Fast Lead Time: 2-3 days for in-stock items and 15-30 days for large quantity orders.

ISO 9001 Certified: Manufacturing process certified to ISO 9001:2015 standards for quality assurance.

Flexible Customization: Custom honing stones and tools available based on drawings and detailed specifications.

Low MOQ: Minimum order quantity starts from just 1 piece for sample or small batch needs.

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: ≤4.87h

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 over 20 years of experience in producing 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?

Yes, OEM and ODM are supported. We can meet your specific logo requirements, and we also offer our own brand options.

Q:How do I place an order?

Please provide the honing machine model, bore type, bore length, start and finish diameters, workpiece material, hardness, stock removal amount, and required surface finish.

Q:What payment methods do you accept?

We issue a Proforma Invoice (PI) and accept payments via Letter of Credit (L/C), Telegraphic Transfer (T/T), Western Union, and PayPal.