What quality assurance systems do you have?

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

What is your Minimum Order Quantity?

The Minimum Order Quantity is 1 Kg.

Are you a manufacturer or a trading company?

We are a manufacturer and trading company with vertically integrated production facilities and comprehensive R&D capabilities.

Durable Square Neck Cup Head Bolts for Heavy Duty Applications

Name: Durable Square Neck Cup Head Bolts for Heavy Duty Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2188083695

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

ISO 9001 Certified Manufacturer: Established in 2009 with rigorous two-stage quality assurance and ASTM/ISO compliance.

Flexible Customization Options: Full customization available from samples, designs, or specific customer requirements.

Wide Material & Finish Range: Carbon steel and stainless steel with finishes like Zinc Plated, Hot Dip Galvanized, and Dacromet.

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

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

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

Multiple Standard Compliance: Meets DIN, ANSI, GB, JIS, BSW, and GOST standards for various applications.

Fast Delivery Capability: Standard delivery within 30-40 days with custom prototyping in 15 working days.

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: ≤3.20h

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 I get a sample before placing a bulk order?

Yes, free samples (1-3 pcs) are available. Express shipping via DHL/UPS/FedEx is supported, and sample costs are refundable upon bulk order confirmation.

Q:What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against Bill of Lading. For orders under $1,000, full advance payment is recommended. LC at sight is negotiable for bulk orders.

Q:Do you offer customization services?

Yes, we provide flexible customization from samples, designs, or full customization based on customer requirements.

Q:What materials and finishes are available?

Materials include carbon steel and stainless steel. Finishes range from Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, to Black Oxide and Plain.

Q:What is the typical delivery time?

Standard delivery is normally 30-40 days. Customized samples can be prototyped within 15 working days.