What is your quality assurance process?

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.

What standards do your products meet?

Our products comply with GB, DIN, ISO, JIS, ASTM, and other international standards.

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

Carbon Steel Heavy Duty Belt Bolts Fasteners for Grain Bin Systems

Name: Carbon Steel Heavy Duty Belt Bolts Fasteners for Grain Bin Systems
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192349535

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$0.06

50,000+ Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Allen Bolt

Connection

Common Bolt

Head Style

Socket Countersunk Head

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Zinc, Plain

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ASME B18.3, ISO 10642

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Allen Bolt

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Comprehensive Customization: Flexible customization from samples, designs, and full customization options available.

Wide Material Selection: Available in A2, A4, 314, 316 stainless steel, low carbon steel, medium carbon steel, and alloy steel.

Extensive Size Range: Sizes available from M5x10mm up to M100x3000mm to meet diverse application needs.

Diverse Finishing Options: Offers passivation, zinc plating, black, plain, HDG, yellow zinc plated, chrome, and nickel plated finishes.

Global Standard Compliance: Manufactured to meet DIN, ANSI, GB, JIS, BSW, GOST, ASTM, and ISO standards.

High Production Capacity: Monthly production capacity reaches 300 tons with vertically integrated facilities.

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

Free Sample Availability: Free samples (1-3 pcs) available with express shipping options and refundable cost on bulk 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: ≤6.02h

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 specification) are available. Express shipping via DHL/UPS/FedEx is supported. Customized samples take 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. SWIFT transfer and LC at sight are also acceptable.

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:What materials are available?

We offer A2, A4, 314, 316 stainless steel, low carbon steel, medium carbon steel, and alloy steel.

Q:Do you offer customization?

Yes, we provide flexible customization from samples, designs, and full customization services.