Is customization available?

Yes, we offer flexible customization options including customization from samples, designs, and full customization. Finishes like Passivation, Zinc Plating, and Black can be customized.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 Kg, allowing for small batch orders and testing.

What quality standards do you follow?

We adhere to ASTM/ISO standards and implement a rigorous two-stage quality assurance protocol, including dimensional verification and salt spray analysis.

Heavy-Duty Coated Screws for Ultimate Outdoor Corrosion Protection

Name: Heavy-Duty Coated Screws for Ultimate Outdoor Corrosion Protection
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200475725

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

Security Bolt

Connection

Common Bolt

Head Style

Pan Head

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

Finish

Zinc, Plain

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001/SGS

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

ISO Certified Manufacturer: Established in 2009, we are an ISO-certified fastener manufacturer with comprehensive R&D capabilities.

Rigorous Quality Assurance: Two-stage protocol including pre-production sampling and full batch inspection with torque and salt spray testing.

Flexible Customization: Offer full customization from samples or designs, including finishes like Zinc Plating and Black Oxide.

Free Sample Availability: Free standard samples (1-3 pcs) available with express shipping; cost refundable upon bulk order.

Wide Material Selection: Products available in Carbon steel and Stainless steel with various finishes for corrosion defense.

Global Market Experience: Serving global markets including North America, Europe, and Asia with long-term business relationships.

Low Minimum Order Quantity: Flexible MOQ starting from 1 Kg, suitable for small batches and testing requirements.

Diverse Product Portfolio: Expertise 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: ≤5.09h

AI-Powered supplier vetting

SummarySokun is a limited company with 21 employees, related companies, and product coverage including fasteners, machined parts, and stamping parts. It supports customization from samples and designs, offers ODM services, and reports OEM service for well-known brands. Quality processes include quality assurance, documented inspection instructions, and complaint-handling records, although finished-product inspection is random and only one quality inspector is reported. Production-related strengths include in-stock capability, CNC and punching equipment, and one-month stated lead times in both peak and off-season periods. Key limitations are the absence of a valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, branches, agents, or showrooms, and no documented R&D audit materials, new products in the past year, or R&D patents. Financial credibility cannot be determined from the provided information.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with followed records and accepts several quotation and payment terms. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, limiting evidence of localized after-sales support.

R&D capabilityThe supplier provides ODM and multiple customization-based design services, but reports no new products during the past year, no available SDK, no R&D audit documentation, and zero R&D patents. These facts indicate design support but limited documented evidence of independent innovation.

Production capacityProduction evidence includes CNC and punching equipment, in-stock capability, one-month lead times in both peak and off-season, and a product scope aligned with machined and stamping parts. Nevertheless, there is no valid manufacturing-capacity contract with related subcontractors, which creates a documented capacity-governance weakness.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, flexible customization, and minor customization, and also offers ODM services. This is direct evidence of broad customization capability.

Product Q&A

Q:What is the warranty period?

We provide a comprehensive 2-year warranty for all our mechanical equipment.

Q:What are the 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.

Q:Can I get free samples?

Yes, free samples (1-3 pcs) of standard specifications are available. Express shipping costs are covered by the customer's account, and the sample cost is refundable upon bulk order confirmation.

Q:What is the delivery time?

Normally, delivery takes 30-40 days. For peak seasons, the lead time is one month, while off-season lead time is also one month.

Q:What materials are used for the screws?

Our screws are made from Carbon steel and Stainless steel, offering various finishes such as Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide.