Wangxia Spring is a High Quality Spring Manufacturer Since 2005 With Factory Directly Price.
Mini Warehouse Garage Door Spring 51mm ID Heavy Duty Extension Spring
Product Introduction
Mini warehouse springs are designed for compact doors and storage units, offering strong performance and reliable durability. Made from high-quality spring steel with an inner diameter of 51mm, these springs are available in wire sizes ranging from 5.25mm to 9.5mm and lengths of 750mm or 800mm. Hook types can be customized according to customer requirements, making them suitable for various installation needs.
● Strong and durable spring steel construction
● 51mm inner diameter, wire dia 5.25–9.5mm
● Available lengths: 750mm, 800mm
● Custom hook designs to fit different applications
SPRING HOOK
We provide a wide range of spring hook designs to meet different installation requirements. Each hook type offers unique advantages in strength, stability, and compatibility with various garage doors. Options include standard torsion spring ends, overhead ends, Wagner ends, mini warehouse ends, McKee ends, Crawford ends, Barcol ends, rolling steel long ends, and looped ends. Custom hook styles are also available upon request.
PRODUCT ADVANTAGES
Product Detail
If for any reason you are not satisfied with our springs, we provide full after-sales support. Each Mini Warehouse Spring is tested for strength, durability, and cycle life to ensure safe and reliable performance. Custom sizes and surface treatments are available to meet different garage door requirements.
◎ Material: High-quality spring steel, strong and durable
◎ Inner Diameter (I.D.): 51mm
◎ Wire Diameter: 5.25mm – 9.5mm, customizable
◎ Length: 750mm, 800mm
◎ Hook Type: As per customer requirement (customizable)
◎ Applications: Mini warehouse doors, storage units, light industrial doors
◎ Packaging: Wooden cases, cartons, or customized packing
Application Scenario
Factory Advantages
20+ Years of Experience
Over two decades of expertise in spring manufacturing, trusted by global customers.Advanced Production Equipment
Equipped with multiple conventional and large-scale spring coiling machines, ensuring high precision and efficiency.Customizable Wire & Sizes
Wire diameters and lengths can be fully customized to meet different garage door requirements.Surface Treatment Expertise
Professional E-coating line for excellent corrosion resistance, along with oil-tempered and galvanized options.Strict Quality Control
Each spring is tested for torque, load, and life cycles (up to 70,000–80,000) before delivery.Fast Delivery Capacity
With 11 production lines, we can ship 1–2 containers within 7–10 days.
Global Service
Factory-direct supply with OEM/ODM support, exporting to North America, Europe, and other regions.
Latest News
Certificates & Qualifications
At Tianjin Wangxia Spring Co., Ltd., quality always comes first. Our production system is certified under ISO 9001:2015 Quality Management Standards, supported by a valid business license and internationally recognized testing reports. All our garage door springs comply with ASTM A229 standards and are regularly verified by third-party authorities.
These certificates are not just honors – they are a guarantee of our commitment: every spring is safe, reliable, and trustworthy.
R+T Asia 2025 · Shanghai
FAQ
The target market of our brand has been continuously developed over the years. For more information, please reach our team, we are more than happy to help.