Do you offer customization services?

Yes, we support flexible customization from samples or designs, adhering to standards like GB, DIN, ISO, and JIS.

What quality assurance measures do you have?

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

Premium Coated Double End Bolts for Exceptional Strength and Durability

Name: Premium Coated Double End Bolts for Exceptional Strength and Durability
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192538395

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

US$0.01-1.00

10,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Connection

Common Bolt

Head Style

Grade

Finish

Zinc

Standards

GB, DIN, ISO, JIS

Finished

Passivation, Zinc Plating, Black, Plain

Size

M5X10mm-M100X3000mm

Productioncapacity

300tons/Month

Sample

Avaliable

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

Extensive Size Range: Available in sizes from M5x10mm to M100x3000mm to meet diverse project requirements.

Multiple Material Options: Constructed from Carbon Steel, Stainless Steel (A2/A4/316), and Alloy Steel for various environments.

Diverse Surface Finishes: Offers Zinc Plating, Passivation, Black, Plain, HDG, and Nickel Plating for corrosion resistance.

Flexible Customization: Supports full customization from samples or designs, including standards like GB, DIN, ISO, and JIS.

Rigorous Quality Control: Implements two-stage QA including dimensional verification, torque testing, and salt spray analysis.

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

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

High Production Capacity: Capable of producing 300 tons per month with a peak season lead time of one month.

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: ≤5.47h

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.