What is your quality assurance process?

We implement a rigorous two-stage protocol: pre-production sampling with dimensional verification and full batch inspection including torque testing, salt spray analysis, and material certification.

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

Do you offer ODM services?

Yes, ODM service is available for our products.

High-Strength Square Neck Bolts DIN 603 for Metalwork

Name: High-Strength Square Neck Bolts DIN 603 for Metalwork
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2188050435

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

Mushroom Head

Model NO.

DIN 603

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

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

Allen Bolt

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Comprehensive Customization: Flexible customization from samples and designs with full customization options available.

Wide Material Selection: Available in carbon steel and stainless steel to meet diverse application needs.

Extensive Finish Options: Offers Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide finishes.

ISO Certified Manufacturer: Established in 2009 with ISO certification and rigorous two-stage quality assurance protocols.

Free Sample Availability: Free standard samples (1-3 pcs) available with express shipping options via DHL/UPS/FedEx.

Global Market Experience: Serving clients across North America, Europe, Asia, and the Middle East since 2009.

Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union with negotiable terms for bulk orders.

Diverse Product Portfolio: Specializes in industrial fasteners, solar mounting systems, and precision CNC-machined components.

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: ≤3.80h

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:Can you provide a sample?

Free samples (1-3 pcs standard specification) are available. Express shipping via DHL/UPS/FedEx is supported. Customized samples can be prototyped within 15 working days. Sample cost is refundable upon bulk order confirmation.

Q:What are your payment terms?

Standard terms are 30% T/T deposit with 70% balance against Bill of Lading copy. For orders under $1,000 USD, full advance payment is recommended. We accept SWIFT transfer, LC at sight, D/P, PayPal, and Western Union.

Q:What materials do you use for these bolts?

We supply bolts made from both carbon steel and stainless steel, with sizes referenced to standards or customized according to customer requirements.

Q:What customization options are available?

We offer flexible customization including customization from samples, customization from designs, and full customization services.

Q:What is your delivery time?

Delivery time is normally 30-40 days. Peak season lead time is one month, while off-season lead time is also one month.