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Simple Design Easy Use Stainless Steel D Ring
US$0.50-10.00
100 Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Stainless SteelType
HookModel NO.
D RingShape
D TypeUsage
IndustrialBrand
HaosailCondition
NewColor
ColoredProduction
Cold FormingSurface Treament
Polishing or Zinc PlatedInspection Report
Mill and 3rd CertificateWarranty
12 MonthsBreaking Load
4:1Transport Package
CartonSpecification
3-8mmTrademark
HaosailOrigin
ChinaHS Code
73259990Production Capacity
500000/YearKey features
Corrosion Resistance: Stainless steel 304/316 with protective oxide layer for rust resistance in marine and industrial environments.
Durable Construction: Cold forming production with 4:1 safety factor ensures high strength and long-term reliability.
Customizable Options: Offers full customization including shape, size, polishing, and zinc plating based on customer designs.
12 Months Warranty: Comprehensive 12-month warranty coverage from shipping date for all mechanical defects.
FDA Compliant: 304/316 grades are non-reactive and safe for food processing and medical equipment applications.
Professional Service: Dedicated support team resolves quality issues with a satisfactory solution within 24-48 hours.
ISO Certified: Manufactured under ISO 9001 standards with 100% visual and function inspection for finished products.
Low MOQ: Accepts orders starting from 1 piece, suitable for both small projects and bulk industrial needs.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.46h
AI-Powered supplier vetting
SummaryHaosail demonstrates broad equipment-related business scope, documented quality and service procedures, ISO9001:2015 certification, four production lines, and 50 quality-control staff. It offers extensive customization, ODM and OEM services, reports new products within the past year, and has two years of total R&D engineer experience stated. Overseas support includes warehouses, showrooms, agents or branches, installation, debugging, maintenance, repair, and training. Export sales account for 90%, with stated lead times within 15 workdays in both peak and off-season. Financial records are indicated for 2022–2024, but no financial figures or performance evidence are provided. Customer cases and specific customer references are not supplied.
Supplier typeThe stated business scope includes sales of mechanical equipment, metal chains and other metal products, marine aquaculture equipment, pumps and vacuum equipment, automotive spare parts, and electronic products. This supports classification as a diversified equipment and industrial-products supplier, but the slice does not identify a narrower legal or manufacturing category.
CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a quality management system certification, although the provided information does not include the certificate body, validity period, or scope.
After-Sales capabilityThe supplier reports written and followed procedures for complaint handling, corrective and preventive actions, and service capability assessment. It also states that overseas warehouses, showrooms, agents or branches, and services including installation, debugging, maintenance, repair, and training are available; stated service lead time is within 15 workdays in both peak and off-season.
R&D capabilityThe supplier reports new products within the past year, ODM capability, an available SDK, ERP-based digital management, and ongoing enterprise digitalization. These statements support active R&D and digital-transformation capability, although the limited stated total R&D engineer experience of two years prevents a stronger assessment of technical depth.
Production capacityThe supplier reports four production lines, 50 quality-control staff, multiple machines covering heading, wrapping, heat treatment, netting, welding, and dynamometer testing, and uniformly followed finished-product inspection instructions. It also reports qualified service suppliers, overseas service resources, and lead times within 15 workdays, providing explicit evidence of operational capacity.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, directly supporting a broad product-development and customization offering.
Product Q&A
Q:Are stainless steel hooks and rings suitable for marine environments?
A:
Yes, 316-grade stainless steel hooks and rings are specifically designed for marine use due to their superior resistance to saltwater corrosion and pitting.
Q:What is the difference between a screw-eye hook and a welded ring in load-bearing applications?
A:
Screw-eye hooks rely on threaded insertion and are ideal for lighter loads, while welded rings (e.g., D-rings) provide a seamless connection and higher load capacity due to reduced stress points.
Q:Can stainless steel hooks/rings be used in food processing or medical equipment?
A:
Yes, 304 or 316 stainless steel is FDA-compliant and non-reactive, making them safe for food-grade, pharmaceutical, or sterile environments when properly sanitized.
Q:How do I prevent galling (friction welding) when connecting hooks to rings?
A:
Use hooks/rings with a polished surface finish, apply anti-seize lubricant, or opt for materials with molybdenum (e.g., 316 stainless) to reduce friction during movement.
Q:What international standards apply to stainless steel hooks and rings?
A:
Common standards include ISO 9001 (quality management), ASTM F593 (mechanical properties), and DIN/EN certifications for specific industrial or safety applications.
Send Inquiry
*To:
Qingdao Haosail Machinery Co., Ltd
Qingdao Haosail Machinery Co., Ltd*Content:
Supplier replies will be sent to your registered email
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