Do you offer customization services?

Yes, we offer flexible customization including options from samples, designs, and full customization to meet specific requirements.

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 is the minimum order quantity?

The minimum order quantity is 1 Kg.

High-Quality Sheet Spring Nuts with Tapping Screw Thread

Name: High-Quality Sheet Spring Nuts with Tapping Screw Thread
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2246746845

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

Tinnerman-Style Nuts

Model NO.

DIN 34818 - 2002

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 Plating, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide.

Global Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, and BSW standards for international compatibility.

Flexible Customization: Full customization available from samples, designs, or specific customer requirements.

ISO Certified Manufacturer: Established in 2009 with ISO certification and rigorous two-stage quality assurance.

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

Rapid Prototyping: Customized samples can be produced within 15 working days for new product development.

Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union with options for 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: ≤4.21h

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. Customized samples are ready 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. We also accept SWIFT transfer, LC at sight, D/P, PayPal, and Western Union.

Q:What materials are used for these nuts?

We use Carbon Steel, Stainless Steel, Brass, Aluminum, and Titanium & Alloys to meet various application needs.

Q:What surface finishes are available?

Available finishes include Zinc Plated, Hot Dip Galvanized Steel, Dacromet, Nickel Plated, Black Oxide, and Plain.

Q:What is the delivery time?

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