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DIN7991 Hexagon Socket Countersunk Head Screws
US$0.10-10.00
100 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Titanium/Titanium AlloyType
Round HeadModel NO.
M3-M24Groove
HexagonConnection
Common BoltHead Style
RoundStandard
DIN, GB, ANSI, BSW, JIS, GOSTGrade
8.8Transport Package
Carton+Pallet or Wooden BoxSpecification
M3-M24Trademark
RUIYANGOrigin
ChinaHS Code
7318190000Production Capacity
5000000PCS Per MonthKey features
Wide Material Selection: Available in Stainless Steel, Titanium Alloy, and Nickel Alloy grades.
Diverse Size Range: Standard sizes M3-M24 with custom dimensions available upon request.
Multiple Surface Finishes: Options include Zinc plating, HDG, Black Oxide, Anodization, and more.
Comprehensive Standards Compliance: Meets DIN, GB, ANSI, BSW, JIS, and GOST international standards.
Broad Application Scope: Suitable for bicycles, cars, UAVs, medical, and chemical equipment.
Competitive Pricing: Factory-direct pricing with various sizes available for wholesale.
Customization Capability: Custom sizes and surface treatments supported for specific needs.
Fast Production Lead Time: Off-season delivery within 15 workdays; peak season within one month.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-05-07Nearest Port: Shanghai, Tianjin, NingboAverage Response Time: ≤4.23hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryThe supplier manufactures centrifugal cast tubes and titanium products and reports more than 10 years of experience. It has integrated smelting, rolling, forging, cold drawing, and finish-machining production lines, 50 quality-control staff, and annual output in the stated US$10 million–US$50 million range. It reports ISO 9000/9001/14000/14001 and BSCI certifications. The supplier provides broad customization and ODM services, has introduced new products in the past year, and offers OEM services to known brands. Export sales account for 90%, with seven years of export experience and self-operated import/export rights. Complaint handling and corrective-action procedures are documented and followed. However, quality test equipment is reported as zero, traceability and quality-assurance status are unknown, and there is no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Financial information is represented only by years, so financial strength cannot be verified.
Supplier typeThe supplier is a manufacturing company focused on centrifugal cast tubes and titanium products, with more than 10 years of experience and production capabilities covering smelting, hot and cold rolling, forging, cold drawing, and finish machining. Its 90% export-sales share, seven years of export experience, and self-operated import/export rights indicate an export-oriented industrial manufacturer.
CertificationsThe supplier reports BSCI, ISO 9000, ISO 9001, ISO 14000, and ISO 14001 certifications. These stated management-system and social-compliance certifications provide explicit evidence of certification coverage.
After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and reports lead times within 15 workdays in both peak and off-season periods. However, it has no overseas agents or branches, overseas warehouse, showroom, or offline trade-show participation, limiting evidence of localized overseas support.
R&D capabilityThe supplier reports new products within the past year, ODM availability, broad R&D customization services, and R&D engineers with 6–10 years of total experience. It does not have an available SDK, but the supplied evidence supports product-development and design capability.
Production capacityThe supplier reports an integrated multi-process production system, 50 quality-control staff, inventory capability, 30 qualified service suppliers, and lead times within 15 workdays in both seasons. However, it reports zero quality-control test equipment, while quality assurance and traceability status are unknown; production scale is therefore supported, but testing controls are a material concern.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM services, demonstrating broad stated customization coverage.
Client casesThe supplier reports providing OEM services to known brands, which is direct evidence of brand-customer experience. No specific customer names, project details, product volumes, or independently verifiable case information are provided.
Product Q&A
Q:What materials are available for these screws?
A:
We offer Stainless Steel (SS201, SS303, SS304, etc.), Titanium Alloy (GR1-GR23), and Nickel Alloy (N4, C276).
Q:What is the size range of the screws?
A:
Standard sizes range from M3 to M24, and custom sizes can be produced upon request.
Q:What surface treatments do you provide?
A:
We provide Original, Polished, Zinc (Yellow/White/Blue/Black), HDG, Black Oxide, Geomet, Dacroment, Anodization, and Nickel plating.
Q:Which international standards do your products meet?
A:
Our products comply with DIN, GB, ANSI, BSW, JIS, and GOST standards.
Q:What is your average lead time?
A:
Lead time is within 15 workdays during off-season and one month during peak season.
Send Inquiry
*To:
SHAANXI RUIYANG IMPORT EXPORT CO., LTD.
SHAANXI RUIYANG IMPORT EXPORT CO., LTD.*Content:
Supplier replies will be sent to your registered email
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