High-Volume Black Oil Tempered Garage Door Torsion Springs Supplier

Residential oil tempered black torsion garage doors springs from CHI, the best
global garage door spring supplier, designed to provide smooth, reliable
operation and extended cycle life for sectional garage doors. These springs
ensure consistent tension, improved safety, and reduced maintenance, making
them suitable for high-usage residential settings and bulk wholesale
applications.
With 18-year-experience garage door manufacturer, CHI ensures rapid, dependable
delivery for wholesale clients, with doors carefully packed in reinforced
crates to protect against transit damage. Our logistics and packaging solutions
guarantee that each shipment arrives intact, simplifying handling for
distributors and installers and supporting efficient project timelines.
————Key Specifications————
• Diameter: 1-3/4", 2", 2-5/8", 3-3/4", 5-1/4", 6"
• Standard springs can more than 16,000 cycles
• Garage door spring material: high carbon steel 82B
• 4 Types Customized Surface Treatment
————Performance & Benefits————
• Oil tempered springs use protective surface treatment to reduce rust and
oxidation, helping maintain stable performance and longer service life in daily
garage door operation.
• Crafted from 82B high-carbon steel, the springs provide strong fatigue
resistance and support up to 16,000 standard cycles or 25,000 high cycles for
different usage needs.
• Stenciled dimensions and winding marks make spring size, direction and
specification easier to identify, helping installers improve accuracy and
reduce on-site selection mistakes.
————CHI Manufacturing & Process Strength————
• Our springs go through strict quality control, including salt spray testing
and performance checks, helping wholesale clients receive more durable and
consistent spring products.
• We support customizable stenciling for springs up to 50", helping
distributors and installers manage warehouse stock, repeat orders and product
identification more efficiently.
• Robust packaging and careful handling help reduce shipping damage during
long-distance transport, supporting faster, safer and more reliable delivery
for garage door commercial partners.
————Contact Us————
China Chi Hardware Co.,Ltd.
Website: https://www.chihw.com/

Minimum Order: 1 pieces

Click to Enlarge