How precise is the honing result?

The highest roundness achievable is 0.0001 microns, with a surface roughness of Ra0.025.

Are OEM/ODM services available?

Yes, we accept custom orders for special products and provide OEM/ODM services to meet specific requirements.

Premium P28 Honing Stones for Sunnen Mbb Machines

Name: Premium P28 Honing Stones for Sunnen Mbb Machines
Brand: Shanghai Zhuyun Machinery Co., Ltd
SKU: 2234155245

Shanghai, ChinaShanghai Zhuyun Machinery Co., Ltd

US$43.00

2 Pieces

Sample price:US$43.00/piece.Request sample

Product profile

Customization

Available

Type

Grinding Head Oilstone

Material

Diamond or CBN

Model NO.

P28-NM25

Application

Tool

Effect

Grinding

Length

83.3mm

Granularity

80#

Applicable Materials

High Hardness Steel Materials

Customizable

Yes

Transport Package

Plastic Boxes and Cardboard Packaging

Specification

P28

Trademark

ZHUYUN

Origin

China, Shanghai

Production Capacity

100000

Key features

100% Sunnen Compatibility: Fully compatible with original Sunnen Mbb machines and existing tools.

Premium CBN/Diamond Material: Made of high-quality CBN or diamond with advanced sintering process.

Wide Material Processing: Processes steel, cast iron, titanium, ceramics, aluminum, and more.

High Precision Grinding: Achieves 0.0001 microns roundness and Ra0.025 roughness.

Customizable Options: Length, granularity, and materials can be customized per requirements.

Long Service Life: Strong grinding force and durable design for extended usage.

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

Free Sample Processing: Free sample processing services provided for equipment purchases.

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.