Can I get a free sample?

Yes, we offer free samples. Please contact us for details and pricing.

What is the warranty or return policy?

We provide 100% replaceable stones with original Sunnen specifications to ensure quality and performance.

Sunnen K20nm85 Metal Bond CBN Honing Stones

Name: Sunnen K20nm85 Metal Bond CBN Honing Stones
Brand: Zhengzhou Boson Abrasives Co., Ltd.
SKU: 799528952

Henan, ChinaZhengzhou Boson Abrasives Co., Ltd.

US$32.00

5-19 Pieces

US$30.00

20-99 Pieces

US$26.00

100+ Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Type

Standard Oilstone

Material

Diamond or CBN Abrasives

Model NO.

K20NM85

Application

Bore Honing

Effect

Grinding

Bond

Metal Bond

Abrasives Type

CBN (Borazon)

Grain Size

Nm85 400#

Lead Time

2 Weeks

Transport Package

Carton Box

Specification

K20NM85

Trademark

BOSON ABRASIVES

Origin

China

HS Code

6804219000

Production Capacity

5000 PCS. / Month

Key features

Compatible with Sunnen Machines: 100% replaceable with original Sunnen honing stones for K20NM series.

Cost Effective Solution: Provides 50% cost saving compared to original Sunnen brand stones.

Superior CBN Material: Metal bonded CBN abrasives for accelerated stock removal and long life.

Versatile Material Application: Suitable for hardened steel, alloy steel, cast iron, titanium, and ceramics.

High Precision Finish: Ensures consistent surface finish without scratches, loading, or glazing.

Wide Grit Range: Available in various grit sizes including Nm85 400# for different applications.

Fast Delivery Time: Standard lead time of 2 weeks, with peak/off-season times within 15 workdays.

Free Sample Available: Customers can request free samples and competitive pricing support.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Years of Export Experience

Zhengzhou Boson Abrasives Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-03-15Nearest Port: Beijing, Guangzhou, ZhengzhouAverage Response Time: ≤1.85hTerms of Payment: T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CFR, CIF, CPT, EXW, FCA, CIP

AI-Powered supplier vetting

SummaryBoson Abrasives is identified as a trading company in Zhengzhou, with a stated business scope covering abrasives, superhard materials, hardware and electrical products, mechanical equipment, and artificial diamond. It reports in-stock service capability, written service-capability procedures with records, three qualified service-capability suppliers, and lead times within 15 workdays in both peak and off-season periods. Production information lists multiple abrasive products and personnel ranges of 6–10 R&D engineers and 6–10 quality-control staff. The supplier offers full customization and holds self-operated import/export rights, with 71%–90% of sales reportedly from exports. However, the provided information shows no ODM, SDK, popular-brand OEM, overseas warehouse, overseas showroom, overseas agent or branch capability, or participation in offline trade shows. No certification information, customer cases, or confirmed after-sales service details are provided. Several financial records are identified by...

Supplier typeThe supplier is explicitly classified as a trading company, with its company nature also recorded as a trade company. Its stated business scope covers abrasives, superhard materials, hardware and electrical products, mechanical equipment, and artificial diamond.

After-Sales capabilityThe supplier reports written procedures and follow-up records for assessing service capability, three qualified service-capability suppliers, in-stock service capability, and lead times within 15 workdays in both peak and off-season periods. However, it lacks overseas warehouse, showroom, agent, and branch capabilities, and no explicit warranty or after-sales support policy is provided.

R&D capabilityThe supplier reports no new products in the past year, no ODM service, no popular-brand OEM capability, and no available SDK. Although 6–10 R&D engineers are reported, the explicit capability indicators show limitations in recent product innovation and development services.

Production capacityThe supplier reports 6–10 quality-control staff and product output including 300,000 honing stones, 20,000 diamond grinding wheels, 10,000 honing tools, 8,000 diamond dressers, and 5,000 vitrified CBN grinding wheels. These stated product quantities and quality-control staffing provide explicit evidence of established production capability.

Customization capabilityThe supplier explicitly reports full customization design-service capability. This directly supports the assessment that it can accommodate customized product or design requirements.