What certifications do your products have?

We are an ISO-certified manufacturer. Products comply with ASTM/ISO standards and can provide certificates such as ASME B18.3 and ISO 10642.

What standards do your bolts follow?

Our bolts follow DIN, ANSI, GB, JIS, BSW, and GOST standards.

Is customization available?

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

Premium Zinc-Plated Belt Screws for Ultimate Rust Resistance

Name: Premium Zinc-Plated Belt Screws for Ultimate Rust Resistance
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200433785

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

Rust Resistance: Zinc-plated finish provides ultimate rust resistance for durable performance.

Customizable Finish: Options include passivation, zinc plating, black, plain, HDG, and yellow zinc plating.

Flexible Customization: Supports customization from samples, designs, and full customization services.

High Production Capacity: Monthly capacity of 300 tons ensures reliable supply for large orders.

ISO Certified Quality: ISO-certified manufacturer with rigorous two-stage quality assurance protocols.

Wide Size Range: Available in sizes from M5x10mm to M100x3000mm for diverse applications.

Low MOQ: Minimum Order Quantity is only 1 Kg, suitable for small and large buyers.

Free Samples: Free standard samples available with express shipping via DHL/UPS/FedEx.

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.

Product Q&A

Q:What materials are available for these screws?

We offer Carbon Steel, A2/A4/314/316 Stainless Steel, Low Carbon Steel, Medium Carbon Steel, and Alloy Steel.

Q:What is the minimum order quantity?

The Minimum Order Quantity is 1 Kg.

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. We also accept LC, D/P, PayPal, and Western Union.

Q:How long is the delivery time?

Normally 30-40 days. During peak season, it takes one month to one month plus, while off-season lead time is one month.

Q:Can I get free samples?

Yes, free samples (1-3 pcs) of standard specifications are available. Sample costs are refundable upon bulk order confirmation.