Can fasteners be packed separately with clear labels?

Yes. Fasteners can be packed by item, size, or project, with clear labeling for easy identification and site use.

Do you provide material certificates or inspection records?

Yes. Material certificates and inspection records are available upon request. Our quality system is ISO 9001 certified.

How soon can you respond after receiving our list or drawings?

We usually respond with technical feedback or quotation within 24 hours after receiving your information.

High-Strength Structural Bolt A2-70/A4-80 DIN Hv System Hex Bolts for Solar & Chemical Applications

Name: High-Strength Structural Bolt A2-70/A4-80 DIN Hv System Hex Bolts for Solar & Chemical Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2294983535

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.10

1,000-4,999 Pieces

US$0.09

5,000-9,999 Pieces

US$0.08

10,000-49,999 Pieces

US$0.06

50,000+ Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Hex Structural Bolts

Model NO.

DIN EN 14399 (-8 fit bolt) - 2016

Connection

Common Bolt

Head Style

Hex

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8/6.8/8.8/10.9/12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Standards

DIN912

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Corrosion-Resistant Stainless Steel (SUS 304/316): Engineered for North American coastal, chemical, and infrastructure projects where chloride exposure demands ASTM A193 B8/B8M-grade corrosion resista

HV System Preload Integrity: Precision-machined Hex Structural Bolts deliver consistent, traceable clamp force per DIN EN 14399-8 - critical for seismic-rated steel connections in commercial high-rise

North American Load-Bearing Compliance: Certified to DIN EN 14399-8 fit bolt specifications, these High-strength structural bolting assemblies meet W59, AISC 360, and RCSC requirements for Bolts &

Cold-Worked Strength Retention: SUS 304/316 fasteners maintain 750 MPa tensile strength after fabrication - validated per DIN EN 14399-8 mechanical testing protocols for long-term performance in HVAC,

Drop-in Replacement for ASTM F3125 Grade A325/A490: Hex Structural Bolts with HV-system geometry and stainless composition offer superior service life over carbon steel - ideal for retrofitting legacy

Company profile

High Repeat Buyers ChoiceODM ServicesR&D CapabilitiesProduction Process Visualization

Ningbo Yinzhou Sokun Import and Export Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤3.77h

About Our Factory & Business Background

AddressYinzhou District, Ningbo, Zhejiang, China

Plant Area1927 square meters

Number of Employees41

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month, 1-3 months Off Season Lead Time: one month

Minimum Order Quantity1 Kg

Supply Chain Partners213

Our Production Capability & Technical Expertise

Main ProductsScrew, Bolt, Washer, Nut, Threaded Rod

Production Lines1

Production MachinesPunching Machine, Riveting Machine, Thread Rolling Machine, Bench Lathe, Laser Marking Machine

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2010-02-10

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South Korea)

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff17

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:Do you support custom and non-standard fasteners?

Yes. We specialize in non-standard fasteners manufactured according to drawings, samples, or technical requirements, with tolerance control applied.

Q:Can you supply mixed fasteners based on a BOM or item list?

Yes. We are experienced in handling mixed fastener lists for engineering and project orders.Different items can be combined in one order and one shipment.

Q:What information is required for quotation?

You can send us your BOM list, drawings (PDF / CAD / STEP), or samples.We review items one by one and provide a clear quotation.

Q:Do you accept small or medium batch orders?

Yes. We support prototype, small and medium batch production, especially for custom and non-standard fasteners.

Q:How do you ensure quality for mixed and custom orders?

Each item is inspected during production and before packing.Our quality system ensures accuracy and consistency for mixed fastener orders.