What quality assurance protocols do you follow?

We implement a two-stage QA system: pre-production dimensional verification and full batch inspection including torque testing and salt spray analysis.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 Kg, making it easy to place small trial orders.

Are you an ISO-certified manufacturer?

Yes, we are an ISO-certified fastener manufacturer established in 2009/2010 with comprehensive R&D and production facilities.

Premium Self-Drilling DIN 7504 Screws for Heavy-Duty Use

Name: Premium Self-Drilling DIN 7504 Screws for Heavy-Duty Use
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2195025945

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, Stainless Steel

Type

Pan Head

Model NO.

DIN 7504 (M)

Groove

Manufacturing According to Standards or Requiremen

Connection

Common Bolt

Head Style

Pan Head

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8/10.9/12.9

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

Multi-Standard Compliance: Meets DIN, GB, ANSI, BSW, JIS, and GOST standards for global compatibility.

Premium Material Options: Available in Carbon Steel and Stainless Steel with grades 8.8, 10.9, and 12.9.

Flexible Customization: Offers full customization from samples, designs, or specific customer requirements.

Advanced Surface Finish: Options include Zinc Plating, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide.

Rigorous Quality Control: Two-stage QA includes pre-production sampling and full batch torque/salt spray testing.

Fast Sample Delivery: Free standard samples available; custom prototypes delivered within 15 working days.

Low Minimum Order: Minimum Order Quantity is only 1 Kg, ideal for testing and small batch needs.

Established Manufacturer: ISO-certified factory with 15 years export experience and vertical integration.

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: ≤4.84h

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 and grades are available for these screws?

We provide Carbon Steel and Stainless Steel options with grades 8.8, 10.9, and 12.9 to meet various strength requirements.

Q:Can the screws be customized according to specific standards?

Yes, we support full customization including standards (GB, DIN, ISO, JIS), finishes (Passivation, Zinc Plating, etc.), and dimensions based on customer requirements.

Q:What is the typical delivery time for bulk orders?

Standard delivery time is normally 30-40 days. Lead times may vary slightly during peak seasons.

Q:Do you offer free samples for quality testing?

Yes, we provide 1-3 free standard specification samples. Sample costs are refundable upon confirmation of a bulk order.

Q:What are the payment terms for international orders?

Standard terms are 30% T/T deposit with 70% balance against B/L copy. For orders under $1,000, full advance payment is recommended.