Are free samples available?

Yes, 1-3 free standard samples are available. Express shipping costs are covered by the customer, but sample costs are refundable upon bulk order.

What payment terms do you accept?

We accept 30% T/T deposit with 70% balance against B/L copy, LC at sight, PayPal, Western Union, and full advance payment for orders under $1,000.

What is your quality assurance process?

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

Industrial-Strength Heavy Duty Hook Bolts for Secure Applications

Name: Industrial-Strength Heavy Duty Hook Bolts for Secure Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200619885

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

US$0.01-1.00

10,000 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

Wide Material Selection: Available in A2/A4 316 stainless steel, low carbon steel, medium carbon steel, and alloy steel.

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

Extensive Size Range: Sizes range from M5x10mm to M100x3000mm to meet diverse industrial fastening needs.

Multiple Surface Treatments: Options include hot dip galvanized, zinc plating, passivation, black, plain, and chromed finishes.

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

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

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

Low Minimum Order Quantity: Flexible MOQ starting from just 1 Kg, suitable for small batch and prototype orders.

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: ≤6.44h

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.