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| Customization: | Available |
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| After-sales Service: | Online Technical Support, Free Spare Parts |
| Warranty: | One Year |
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As a professional industrial door manufacturer, we present our premium Heavy-Duty Torsion Spring Winding Bars - essential tools for safe and efficient installation, adjustment, and maintenance of torsion springs on sectional and overhead industrial doors.
High-Grade Alloy Steel: Made from 4140 chromium-molybdenum alloy steel, heat-treated for maximum strength and durability.
Surface Finish: Black oxide coating for corrosion resistance and enhanced grip.
Handle Design: Ergonomically shaped, non-slip rubberized grip for comfortable and secure handling under high torque.
Precision Machined Tips: Square drive ends are precisely machined to fit standard industrial spring winding cones (typically 1/2", 5/8", 3/4" sizes).
Custom lengths and tip sizes available upon request.
Door Types: Ideal for all types of industrial overhead doors, including sectional doors, rolling doors, and commercial garage doors equipped with torsion spring systems.
Spring Types: Compatible with standard and high-cycle torsion springs used in heavy-duty applications (warehouses, loading docks, factories, hangars).
Usage: Professional installation, tension adjustment, spring replacement, and maintenance.
Compliance: Manufactured in accordance with ANSI/DASMA and EN 13241-1 safety guidelines.
Testing: Each bar undergoes 100% magnetic particle inspection to detect surface cracks.
Safety Warning: Always use two winding bars simultaneously to balance torque and prevent spring recoil. Never exceed the rated torque capacity.
Warranty Period: 12 months against manufacturing defects (excluding normal wear and tear).
Technical Support: Free online consultation for proper usage and safety practices.
Replacement Policy: Defective tools will be replaced or repaired within 7 working days upon receipt of returned item.
Training Materials: Included user manual with step-by-step winding instructions in English, Spanish, and Chinese.
Individual Packaging: Each bar is packed in a durable PVC tube with foam padding.
Bulk Packaging: Available in cartons of 10 pieces (customizable).
Shipping: Worldwide express (DHL, FedEx) or sea freight. Lead time: 3-5 days for stock items; 15-20 days for custom orders.
Empowering safe and efficient industrial door maintenance - your trusted partner in overhead door solutions.
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