What is the minimum order quantity?

The minimum order quantity is 1 Kg.

What quality assurance protocols do you follow?

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.

Premium Hook Bolts with Corrosion Resistance for Heavy Loads

Name: Premium Hook Bolts with Corrosion Resistance for Heavy Loads
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200544485

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$0.07

50,000+ Pieces

Product profile

Customization

Available

Material

Steel

Type

Closed Hook

Groove

Connection

Common Bolt

Head Style

Countersunk Head

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

Standards

GB, DIN, ISO, JIS

Product Name

Pigtail Bolt

Size

M5-M14

Surface Treatment

Hot DIP Galvanized

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

M5-M14

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Comprehensive Material Options: Available in A2/A4/314/316 stainless steel, low carbon, medium carbon, and alloy steel.

Extensive Size Range: Sizes span from M5x10mm to M100x3000mm to meet diverse engineering needs.

Multiple Surface Treatments: Options include passivation, zinc plating, HDG, yellow zinc, chrome, and nickel plating.

Flexible Customization: Full customization available from samples or designs with flexible options.

Global Standard Compliance: Meets DIN, GB, ANSI, BSW, JIS, GOST, and ISO standards.

ISO Certified Manufacturer: Established in 2009 with vertically integrated production and R&D capabilities.

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

Free Sample Availability: 1-3 pcs standard samples free; express shipping via DHL/UPS/FedEx available.

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:Can you provide a sample?

Free samples are available (1-3 pcs standard specification). Express options include DHL/UPS/FedEx (customer's account). Customized samples can be prototyped within 15 working days. Sample cost is refundable upon bulk order confirmation.

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. Acceptable instruments include SWIFT transfer, LC at sight, D/P, PayPal, Western Union, and small-amount payments.

Q:What materials are available for these bolts?

Materials include A2, A4, 314, and 316 stainless steel, as well as low carbon steel, medium carbon steel, and alloy steel.

Q:What is the delivery time?

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

Q:Do you offer customization services?

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