What is the minimum order quantity?

The minimum order quantity is 10 pcs.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the lead time for orders?

Peak season lead time is one month to 3 months; off-season lead time is within 15 workdays to one month.

Premium Model K20-Dm Diamond Honing Stones for Sunnen Tools

Name: Premium Model K20-Dm Diamond Honing Stones for Sunnen Tools
Brand: Shanghai Zhuyun Machinery Co., Ltd
SKU: 2314870195

Shanghai, ChinaShanghai Zhuyun Machinery Co., Ltd

US$25.00

10-49 Pieces

US$22.00

50-99 Pieces

US$20.00

100+ Pieces

Product specifications

K20-DM55

K20-DM05

Sample price:US$25.00/piece.Request sample

Product profile

Customization

Available

Type

Standard Oilstone

Material

Diamond/CBN

Model NO.

K20-DM55; K20-DM05

Application

Tool

Effect

Grinding

Abrasive

Diamond/CBN

Granularity

Multiple Options (60-5000#)

Hardness

Customizable

Machinable Materials

Almost Any Material

Transport Package

Plastic Box Packaging

Specification

Length: 6.35mm

Trademark

ZHUYUN

Origin

Shanghai, China

Production Capacity

100000

Key features

100% Sunnen Compatibility: Fully compatible with original Sunnen honing tools and existing equipment.

Wide Material Applicability: Processes steel, titanium, cast iron, ceramics, plastics, and more.

Diamond/CBN Options: Diamond for carbide/ceramics; CBN for tough alloy and hardened steels.

Customizable Hardness: Hardness is customizable to meet specific grinding requirements.

Multiple Granularity: Available in multiple grit options ranging from 60 to 5000#.

Long Service Life: Advanced sintering process ensures strong grinding force and durability.

Versatile Hole Processing: Suitable for through, blind, interrupted, and keyway holes.

OEM/ODM Support: Customized services available for special products and specifications.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceR&D Capabilities

Shanghai Zhuyun Machinery Co., Ltd

Shanghai, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 1 year CertifiedNearest Port: Shanghai portAverage Response Time: ≤0.01h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier operates one production line and provides CNC honing and related machining capabilities, including rough and fine honing. It offers broad customization, ODM, and OEM services, with two R&D engineers, 41–50 quality-control staff reported in one slice, 12 quality-control test devices, and documented R&D audit materials. Export activity represents 41%–50% of sales, began one year ago, and the supplier has self-operated import/export rights. Service procedures and records exist, but no approved-supplier list or written corrective/preventive-action and complaint-handling procedures are reported. Inventory capability is available, while overseas warehousing and showroom services are unavailable. Financial records are indicated for 2021–2023, but their contents are not provided. No certification information or identifiable customer cases are supplied.

Supplier typeThe supplier appears to be a manufacturing and machining supplier operating one production line, with CNC, grinding, honing, milling, sawing, and laser-marking equipment. It also has self-operated import/export rights and provides OEM services for recognized brands.

After-Sales capabilityTechnical engineers are responsible for confirming customer requirements and providing technical support for after-sales service, and written service procedures with follow-up records exist. However, the supplier reports no written corrective/preventive-action procedures or complaint-handling procedures, indicating incomplete formal after-sales controls.

R&D capabilityThe supplier reports new products during the past year, ODM availability, broad design support, and retained design input, output, review, verification, and validation documentation. Its R&D team consists of two engineers, and no SDK is available; overall innovation capability is supported but relatively limited in disclosed scale.

Production capacityThe supplier operates one production line and lists multiple machining facilities, with 12 quality-control testing devices and documented finished-product inspection instructions. It has inventory capability, but lacks a valid manufacturing contract with related subcontractors and reports peak-season lead times that may extend beyond one month.

Customization capabilityThe supplier explicitly offers customization from samples, designs, flexible and minor customization, and full customization. Technical engineers confirm customer requirements, and the same broad customization scope is reported across R&D and design-service information.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of at least some brand-related customer experience. No customer names, project details, order records, or independently verifiable case studies are provided.

Product Q&A

Q:Are these honing stones compatible with Sunnen tools?

Yes, they are 100% compatible with original Sunnen honing tools and your existing equipment.

Q:What materials can be processed with these stones?

They can process almost all materials, including soft steel, hardened steel, titanium alloy, cast iron, copper, aluminum, graphite, ceramics, and engineering plastics.

Q:What is the difference between Diamond and CBN stones?

Diamond stones (code 'D') are essential for carbide, cast iron, glass, and ceramics. CBN stones (code 'N') are suitable for tough alloy steel, tool steel, die steel, and hardened steel.

Q:Are custom options available?

Yes, we offer customized services for special products, including customizable hardness and multiple granularity options (60-5000#).

Q:What types of holes can be honed?

They are suitable for various hole types such as through holes, blind holes, interrupted holes, and keyway holes.