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DIN 7991 Standard High-Strength Hexagon Socket Countersunk Head Cap Screws
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 7991Groove
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
15-30Name
Countersunk Head ScrewService
Customized OEM ODMSample
AvailabeTransport Package
Cartons & Pallets or According to Customer''s RequSpecification
/Trademark
SOKUNOrigin
ZhejiangHS Code
7318150000Production Capacity
100000000Key features
Customizable Standards: Supports GB, DIN, ISO, JIS standards based on customer requirements.
Flexible Finishing Options: Available finishes include Passivation, Zinc Plating, Black, Plain, and Yellow.
OEM/ODM Service: Provides customized OEM and ODM services for fasteners and parts.
Free Sample Availability: Offers 1-3 free standard samples with refundable cost upon bulk order.
Rigorous Quality Assurance: Implements pre-production sampling and full batch torque/salt spray testing.
Flexible Customization: Supports customization from samples, designs, and full customization options.
ISO Certified Manufacturer: Established in 2009, ISO-certified with vertically integrated production.
Global Market Reach: Serves clients in North America, Europe, Australia, Asia, and the Middle East.
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: ≤4.81h
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:
The screws are available in Carbon Steel and Stainless Steel materials.
Q:Can the product standards be customized?
A:
Yes, we support customization according to GB, DIN, ISO, and JIS standards.
Q:What surface finishes are offered?
A:
We offer Passivation, Zinc Plating, Black, Plain, Yellow, Dacromet, and Nickel Plated finishes.
Q:What is the delivery time for orders?
A:
Normal delivery time is 30-40 days. Peak season lead time is one month, while off-season is also one month.
Q:Are free samples available?
A:
Yes, 1-3 free standard samples are available. Sample costs are refundable upon bulk order confirmation.
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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