What quality assurance measures do you have?

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

Is customization available for standards and finishes?

Yes, we support customization for standards (GB, DIN, ISO, JIS) and finishes (Passivation, Zinc Plating, Black, Plain, Yellow) based on customer requirements.

Heavy-Duty Square Weld Nuts DIN 928 for Reliable Fastening

Name: Heavy-Duty Square Weld Nuts DIN 928 for Reliable Fastening
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2189445695

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

US$0.01-0.10

10,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel, Stainless Steel

Type

Nut

Model NO.

DIN 928

Connection

Common Bolt

Head Style

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

8.8/10.9/12.9

Standards

GB, DIN, ISO, JIS

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

DIN 928 Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, and BSW standards for global compatibility.

High Strength Grades: Available in 8.8, 10.9, and 12.9 grades for secure and reliable fastening.

Customizable Finishes: Options include Zinc Plating, Hot Dip Galvanized, Dacromet, Nickel Plating, and Black Oxide.

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

Free Sample Availability: 1-3 pcs free standard samples available; cost refundable upon bulk order.

Flexible Customization: Supports customization from samples, designs, and full custom requirements.

Global Shipping Support: Exports to North America, Europe, Asia, and more via Shanghai/Ningbo ports.

Secure Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union with flexible deposit options.

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: ≤4.96h

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 materials are available for these square weld nuts?

We offer Carbon Steel and Stainless Steel options to meet various environmental and strength requirements.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 Kg.

Q:How long is the delivery time for bulk orders?

Normally 30-40 days. During peak season, lead time is 1-3 months; off-season is about one month.

Q:Can you provide free samples?

Yes, we provide 1-3 pcs of standard specification samples for free. Sample costs are refundable upon bulk order confirmation.

Q:What payment terms do you accept?

We accept 30% T/T deposit with 70% balance against B/L copy. For orders under $1,000, full advance payment is recommended. We also accept LC, D/P, PayPal, and Western Union.