Are free samples available?

Yes, free samples (1-3 pcs) are available. The sample cost is refundable upon bulk order confirmation.

What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against B/L copy. LC at sight is also acceptable for bulk orders.

What quality assurance protocols do you follow?

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

Premium Industrial Tight Nuts GB 805 for Reliable Performance

Name: Premium Industrial Tight Nuts GB 805 for Reliable Performance
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2239077075

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,Brass

Type

Locking Nuts

Model NO.

GB 805 - 1988

Connection

Head Style

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

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

Multi-Material Options: Available in Carbon Steel, Stainless Steel, Brass, Aluminum, and Titanium Alloys.

Custom Surface Finishing: Options include Zinc Plating, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide.

Flexible Customization: Supports customization from samples, designs, and full customization for standards and sizes.

Rigorous Quality Control: Two-stage QA with pre-production sampling and full batch torque/salt spray testing.

ISO Certified Manufacturer: Established in 2009, ISO-certified with comprehensive R&D and vertically integrated production.

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

Low Minimum Order Quantity: Minimum Order Quantity is only 1 Kg, suitable for small batch testing.

Global Shipping Capability: Located in Ningbo/Shanghai with 15 years export experience serving global markets.

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: ≤5.81h

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.