Stainless Door Hinges

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These door hinges are designed to be recessed into the door and frame, featuring a fixed pin system for enhanced security—ideal for entrance and external doors in residential settings. Made from satin‑finished stainless steel, they offer superior corrosion resistance and smooth operation, suitable for both indoor and outdoor applications.Available in cold‑rolled steel, hot‑dipped steel, or stainless steel, hinges can be finished with black powder coating or other custom treatments. Standard sizes include 4×3×3×13 mm and 5×3×3×12 mm, with OEM customization supported. Each pair is packaged in an individual box, with 50 boxes per carton for secure shipment.Perfect for home security doors, commercial entries, and heavy‑use installations, these hinges combine durable construction, reliable performance, and aesthetic versatility.

Material : Cold rolled steel,hot dipped steel,stainless steel

Application : Door & window

Surface treatment: Black powder coated,other finish treatment available.

Packaging: 1 pair/box, 50 boxes/carton

OEM: Available

Size: 4*3*3*13mm/5*3*3*12mm

OEM SERVICE

Emballage sur mesure

ISO 9001

SGS

Description

Ruichi is dedicated to the research, development, and manufacturing of hardware products. With 20 years of production experience, the factory covers an area of 12,000 square meters and is equipped with a team of 12 designers and over 100 employees. The company serves industries such as construction, automotive, furniture, electronics, and new energy. It provides a complete production chain, from mold design and mold manufacturing to full-process production (including stamping, drawing, laser cutting, bending, welding, CNC machining, etc.), surface treatment, assembly, and packaging. This enables efficient response to customer needs throughout the entire process, from custom development to mass delivery.

Production

Packaging

Entire Line

Ruichi have realized one-stop OEM/ODM services from product design – mold making – material sorting – production line – packaging&quality inspection – to-door delivery. To provide satisfactory products and services for customers in 20 countries around the world. We have registered our own trademark in China, United States, Australia and some major marketing countries and achieved global branding.

Service Team

Sales Team

Provide 3-6 person service teams based on customer tier.

Reaponse Time: Provide responses within 30 minutes to 2 hours based on customer tier.
Quotation Speed: 4 hours for five major product series; 48hours for customized series.

Technical Team

Provide technical services and support by engineers/engineering directors based on customer tier.
Provide product design, mold design, technical drawings, technical consultation, Q&A and other services based on customer tiers.
Proactively sharing real-time updates on industry advancements and offering professional guidance on trends and product enhancements.