The MOQ is 10,000 pieces for customized products. For general trading, the minimum order quantity is 0.4 Ton.

How are products packaged?

Standard packaging is 20-25 kg per carton, with 36 or 48 cartons per pallet. We can also print customer logos on cartons or customize packaging as requested.

Can I visit your factory?

Yes, we welcome factory visits. Please contact us in advance to arrange transportation from the airport or train station.

304 Stainless Steel Cap Nut, DIN1587, M8, Dust-Proof Cover Type Nut, Dome-Shaped Closed Nut, Factory Wholesale

Name: 304 Stainless Steel Cap Nut, DIN1587, M8, Dust-Proof Cover Type Nut, Dome-Shaped Closed Nut, Factory Wholesale
Brand: Bolnut Fastener Co., Ltd
SKU: 2218072095

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1 Piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel/Carbon Steel

Type

Hexagon Head

Model NO.

DIN1587

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

8.8

Application

Machinery, Chemical Industry,Building

Finish

Zinc Plated, Black Oxide, Galvanized, Passivated

MOQ

10000pieces

Thread

Metric

Name

Hexagon Domed Cap Nuts

Certificate

ISO9001,RoHS

Measurement System

Inch,Metric

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M4-M24

Trademark

BNT

Origin

China

HS Code

731815

Production Capacity

1000ton/Month

Key features

Diverse Material Options: Available in SS201, SS304, SS316, Carbon Steel, and various grades up to 12.9.

Multiple Finishing Choices: Options include Zinc Plated, HDG, Black Oxide, Dacroment, and Nickel Plated.

Custom Logo & Design: We accept custom logos, designs, and packaging according to your specifications.

Free Samples Available: Free samples provided for standard fasteners; weight under 1kg shipped free.

Flexible Lead Time: Stock items deliver in 2-5 days; custom orders take 10-30 days based on season.

Strict Quality Assurance: Stringent durability testing and adherence to DIN, ASTM, JIS, and ISO standards.

Professional Manufacturing: Over 10 years experience with cold forging, hot forging, and CNC machining.

Certified Supplier: Verified on Made-in-China with ISO9001 and RoHS certifications.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Bolnut Fastener Co., Ltd

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 YearsNearest Port: SHANGHAI , NINGBO ,ZHAPU , SHENZHEN, TIANJINGAverage Response Time: ≤0.72h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Zhangjiagang, Suzhou, with business scopes covering labor protection products, apparel, textiles, communication equipment, electronics, and certain medical protective products. It is described as a professional technical supplier and offers multiple customization modes, ODM services, and OEM services for popular brands. However, it has only one R&D engineer, launched no new products in the past year, and does not provide 3D software or SDK services. Service procedures and complaint-handling procedures exist, but supplier approval records are incomplete. Financial information is represented only by reporting years, without performance values. No overseas warehouse, showroom, overseas branch or offline trade-show participation is reported.

Supplier typeThe supplier is explicitly classified as a trade company, while its stated scope includes labor protection products, apparel, textiles, medical protective equipment, communication equipment, and electronic products. It is also identified as a professional technical supplier, indicating a trading-oriented business with technical and customization support rather than confirmed manufacturing status.

After-Sales capabilityThe supplier has a clear complaint-handling procedure with followed records, and it has a corrective and preventive action mechanism with implementation records. However, its general service-assessment procedure has no records, and its approved-supplier list lacks approval signatures or dates, indicating documented but incompletely controlled service processes.

R&D capabilityThe supplier is identified as a professional technical supplier and offers ODM services, but it has only one R&D engineer, launched no new products in the past year, and lacks both 3D software design and SDK capabilities. This shows some technical development and design support, but limited demonstrated innovation output and digital R&D capability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly evidencing broad customization and design-manufacturing support.

Client casesA repeat-buyer preference of 50%–80% is reported, and the supplier states that it provides OEM services for popular brands. These are positive customer-related indicators, but no named customers, specific projects, order examples, or independently verifiable case details are provided.

Product Q&A

Q:Can I get free samples?

Yes, we provide free samples for standard fasteners. We ship weights under 1kg for free. Existing customers also receive free samples with covered express charges.

Q:What is the delivery time?

Stock items can be delivered within 2-5 days. For custom orders, lead time is 10-15 days in slack season and 15-30 days in busy season. Large orders may take 18-25 days.

Q:Do you accept custom designs or logos?

Yes, we accept customized designs for products and packaging. You can provide samples or drawings, and our professional design team will create items to your specifications.

Q:What are the payment terms?

Standard terms are 30% T/T deposit and 70% before shipping. We also accept L/C, D/P, PayPal, Western Union, and small-amount payments.

Q:What materials and finishes are available?

Materials include Stainless Steel (SS201, SS304, SS316) and Carbon Steel. Finishes include Zinc Plated (Yellow, White, Blue, Black), HDG, Black Oxide, Dacroment, and Nickel Plated.