What are your payment methods?

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

How are the products packaged?

Standard is 20-25 kg per carton, 36-48 cartons per pallet. We can print logos or customize packaging.

Do you accept custom designs for products or boxes?

Yes, we accept customized designs for both products and packaging with a professional design team.

How can I verify your company's legitimacy?

We are verified suppliers on Made-in-China and undergo a rigorous certification process.

Can I visit your factory?

Yes, factory visits are welcome. Please contact us beforehand to arrange transportation from the airport or station.

DIN912 304 Stainless Steel Socket Head Bolts Spring Washers ASTM Head Screw

Name: DIN912 304 Stainless Steel Socket Head Bolts Spring Washers ASTM Head Screw
Brand: Bolnut Fastener Co., Ltd
SKU: 2209112065

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

Din912

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW

Grade

A2-70

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Plain, Black Zinc,Yellow Zinc Plated, Hdgv

MOQ

1000pieces

Name

Bolt, Nut and Washer Combination

Customized

Samples

Free

Delivery Time

7-45 Days

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M16-M30

Trademark

BNT

Origin

China

HS Code

731815

Production Capacity

1000ton/Month

Key features

Diverse Material Options: Available in SS201, SS304, SS316, and various ASTM A193/A320 grades for specific applications.

Customized Fastener Production: Cold forging, hot forging, and CNC machining available for customized fastener specifications.

Free Sample Availability: Free samples provided for standard fasteners; express charges covered for existing customers.

Comprehensive Finishing Options: Zinc plating, HDG, black oxide, nickel, and other surface treatments available.

Flexible Delivery Time: Stock delivery in 2-5 days; production orders take 10-30 days depending on season.

Custom Logo and Design: Accept custom logos on products and packaging with professional design team support.

Verified Manufacturer: Verified supplier on Made-in-China with rigorous certification and over 10 years experience.

Multiple Payment Terms: Accept T/T, L/C, D/P, PayPal, Western Union, and small-amount payments.

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: ≤0.87h

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.