What is the lead time for production?

Normal delivery time is 30-40 days. Customized samples can be prepared within 15 working days.

Is the manufacturer ISO certified?

Yes, we are an ISO-certified manufacturer established in 2009/2010, ensuring strict quality control and compliance with ASTM/ISO standards.

What standards do your products comply with?

Our products comply with DIN, GB, ANSI, BSW, JIS, and GOST standards, with DIN 7504 being a primary standard for this product.

DIN 7504 (K) Corrosion Resistant Self Drilling Screws for Metalwork

Name: DIN 7504 (K) Corrosion Resistant Self Drilling Screws for Metalwork
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2194952785

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

Hexagon Head With Flange

Model NO.

DIN 7504 (L)

Groove

Manufacturing According to Standards or Requiremen

Connection

Common Bolt

Head Style

Hexagon Head with Flange

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

Corrosion Resistant Materials: Available in Carbon Steel and Stainless Steel for durable metalwork applications.

Flexible Customization: Supports full customization from samples, designs, or specific standards like DIN, GB, ANSI.

Diverse Surface Finishes: Options include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide.

ISO Certified Quality: Manufacturer holds ISO certification with rigorous two-stage quality assurance protocols.

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

Low Minimum Order Quantity: Accepts orders starting from just 1 Kg, ideal for testing and small batches.

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

Global Export Experience: 15 years of export experience serving North America, Europe, Asia, and other global markets.

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: ≤4.94h

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 and Stainless Steel materials to meet various corrosion resistance requirements.

Q:Can I customize the size and finish?

Yes, we support full customization. Sizes are based on standards or customer requirements, and finishes include Zinc Plating, Hot Dip Galvanizing, Dacromet, etc.

Q:What is the minimum order quantity?

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

Q:Do you provide free samples?

Yes, we provide 1-3 free standard specification samples. 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.