What is the delivery time?

Standard delivery is normally 30-40 days. Custom samples are ready within 15 working days.

What standards do your products meet?

Our products comply with DIN, ANSI, GB, JIS, GOST, BSW, and NF E 25-412 standards.

Is your company ISO certified?

Yes, we are an ISO-certified fastener manufacturer established in 2009 with rigorous quality assurance protocols.

High-Quality Prevailing Torque Hex Nuts for Reliable Performance

Name: High-Quality Prevailing Torque Hex Nuts for Reliable Performance
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2246809245

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

US$0.01-0.10

10,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel, Stainless Steel,Brass

Type

Locking Nuts

Model NO.

NF E 25-412 - 1997 (R2002)

Connection

Head Style

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

Standards

GB, DIN, ISO, JIS

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001/SGS

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

Diverse Material Options: Available in Carbon Steel, Stainless Steel, Brass, Aluminum, and Titanium Alloys.

Comprehensive Surface Finishes: Offers Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide options.

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

Free Sample Availability: Free standard samples (1-3 pcs) available with express shipping options.

ISO Certified Manufacturer: ISO-certified facility established in 2009 with rigorous quality assurance protocols.

Global Market Experience: Serving clients across North America, Europe, Asia, and South America for 15 years.

Fast Delivery Time: Standard delivery within 30-40 days, with custom samples in 15 working days.

Multi-Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, BSW, and NF E 25-412 standards.

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: ≤4.41h

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) are available. Express shipping via DHL/UPS/FedEx is supported. Custom samples take 15 working days, and sample costs are 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. For orders under $1,000, full advance payment is recommended. SWIFT, LC, and other methods are accepted.

Q:What materials are available for these nuts?

We offer Carbon Steel, Stainless Steel, Brass, Aluminum, and Titanium & Alloys.

Q:What surface finishes do you offer?

Options include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.

Q:Do you support customization?

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