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Heavy-Duty Self-Drilling DIN 7504 Screws for Metal Projects
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
AvailableMaterial
Carbon Steel, Stainless SteelType
Countersunk HeadModel NO.
DIN 7504 (O)Groove
Manufacturing According to Standards or RequiremenConnection
Common BoltHead Style
Countersunk HeadStandard
DIN, GB, ANSI, BSW, JIS, GOSTGrade
8.8/10.9/12.9Standards
GB, DIN, ISO, JISFinished
Passivation, Zinc Plating, Black, Plainhdg, YellowCertificate
ISO9001/SGSSelling Units
Building, Industry, MachineryPackage
Customer'requireDelivery Time
15-30Transport Package
Cartons & Pallets or According to Customer''s RequSpecification
/Trademark
SOKUNOrigin
ZhejiangHS Code
7318150000Production Capacity
100000000Key features
High Strength Grades: Available in 8.8, 10.9, and 12.9 grades for superior load-bearing capacity.
Custom Surface Finish: Options include Zinc Plating, Hot Dip Galvanized, Dacromet, Nickel Plating, and Black Oxide.
Flexible Customization: Full customization from samples or designs, including standards and finished surfaces.
ISO Certified Quality: ISO-certified manufacturer with rigorous two-stage quality assurance and salt spray testing.
Free Sample Service: 1-3 free standard samples available; cost refundable upon bulk order confirmation.
Fast Delivery: Standard delivery within 30-40 days; customized samples within 15 working days.
Global Shipping: Export from Shanghai/Ningbo ports with flexible Incoterms: FOB, CIF, CFR, EXW.
Low MOQ: Minimum Order Quantity starts at just 1 Kg for flexible purchasing.
Company profile
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: ≤4.93h
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?
A:
We provide Carbon Steel and Stainless Steel options to meet various corrosion resistance and strength requirements.
Q:What surface treatments can be customized?
A:
We offer Passivation, Zinc Plating, Black, Plain, Yellow, Hot Dip Galvanized, Dacromet, and Nickel Plating finishes.
Q:What are the payment terms?
A:
Standard terms are 30% T/T deposit with 70% balance against Bill of Lading copy. For orders under $1,000, full advance payment is recommended.
Q:How long is the delivery time?
A:
Normal delivery takes 30-40 days. Customized samples can be prepared within 15 working days.
Q:Is customization available for standards and sizes?
A:
Yes, we support full customization from samples or designs. Standards can be GB, DIN, ISO, JIS, etc., and sizes follow customer requirements.
Send Inquiry
*To:
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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