What is your minimum order quantity?

The minimum order quantity is 1 Kg.

Are you an ISO certified manufacturer?

Yes, we are an ISO-certified fastener manufacturer established in 2009 with a rigorous two-stage quality assurance protocol.

What is the warranty period?

We implement a rigorous two-stage quality assurance protocol including pre-production sampling and full batch inspection to ensure compliance with ASTM/ISO standards.

Durable Hexagon Bolts - High-Quality Grade a, 250 Hv Strength

Name: Durable Hexagon Bolts - High-Quality Grade a, 250 Hv Strength
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2199906265

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

US$0.03

10-4,999 Pieces

US$0.02

5,000-99,999 Pieces

US$0.01

100,000+ Pieces

Product profile

Customization

Available

Type

Plain Washers

Material

Brass

Model NO.

DIN 125

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Plain Washers

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

Flexible Customization: Full customization available from samples or designs.

ISO Certified Quality: Manufacturer holds ISO certification with rigorous two-stage QA.

Free Sample Availability: 1-3 pieces of standard specification available for free testing.

Wide Material Options: Carbon steel and stainless steel with various finishes like Zinc and Galvanized.

Global Market Experience: Serving clients in North America, Europe, Asia, and other regions since 2009.

Multiple Payment Terms: Supports T/T, LC, D/P, PayPal, and Western Union.

Fast Sample Delivery: Customized samples ready within 15 working days.

Comprehensive Product Range: Includes hex bolts, washers, nuts, and solar mounting systems.

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: ≤4.77h

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:Can you provide samples?

Free samples (1-3 pcs standard) are available. Customized samples take 15 working days. Sample cost is refundable upon bulk order.

Q:What are the payment terms?

Standard terms are 30% T/T deposit and 70% balance against B/L. For orders under $1,000, full advance payment is recommended. LC and other methods are also accepted.

Q:What is the delivery time?

Normal delivery time is 30-40 days. Peak season lead time is one month, while off-season is also one month.

Q:What materials and finishes do you offer?

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

Q:Is customization available?

Yes, we offer flexible customization including full customization from samples or designs.