Ranbo 3 Inch Heavy-Duty 304 Stainless Steel Double Spring Hinge, Integrated Spring Tension Adjustment, No Fixing Pin Required. 3 mm Thickened Steel Plate, Maximum Load Capacity of 25 kg for 2 Hinges.
$57.81
-
Arrives
- 1.Applicable Door Thickness and Maximum Load Capacity: Suitable for door panels with a thickness of 0.79"-1.42"(20-36mm); a pair of hinges supports a maximum load of 25kg（55 lbs）.
- 2.Heavy-Duty Design, 3mm Thickened Steel Plate, Durable and Sturdy: Compared to regular 1.5mm thin hinges, this hinge uses a 3mm thick 304 stainless steel construction, providing stronger load-bearing capacity, making it especially suitable for heavy doors and high-frequency usage environments.
- 3.Integrated Spring Tension Adjustment, No Fixing Pin Required: The tension can be adjusted according to the weight of the door to achieve different rebound speeds, ensuring smooth opening and closing. You can quickly and easily set the required tension for swing doors using the included hex wrench. Insert the hex wrench into the adjustment hole and turn it clockwise to increase the spring tension, which speeds up the closing speed.To release the spring tension and slow down the closing speed, insert the hex wrench into the adjustment hole and tap it lightly with an appropriate tool.
- 4.Two-Way Opening and Automatic Closing: The double spring hinge allows the door to open in both directions and close automatically. When you push the door, the springs compress and store energy. Once you release the door, the springs release this energy, pulling the door back into its original position. This feature enhances convenience, safety, and energy efficiency, significantly improving traffic flow.
- 5.304 Stainless Steel, Brushed Finish: Made from high-quality 304 stainless steel, it is rust-resistant, moisture-proof, and deformation-free, ensuring reliability and durability. The surface features a fine brushed finish, offering a modern aesthetic while being more scratch- and wear-resistant.
- Free 30-Day Returns
- Full Refund for Damaged or Incorrect Items
- Guaranteed Delivery or Money Back
- Secure Checkout & Fast Support
- 1.Applicable Door Thickness and Maximum Load Capacity: Suitable for door panels with a thickness of 0.79"-1.42"(20-36mm); a pair of hinges supports a maximum load of 25kg（55 lbs）.
- 2.Heavy-Duty Design, 3mm Thickened Steel Plate, Durable and Sturdy: Compared to regular 1.5mm thin hinges, this hinge uses a 3mm thick 304 stainless steel construction, providing stronger load-bearing capacity, making it especially suitable for heavy doors and high-frequency usage environments.
- 3.Integrated Spring Tension Adjustment, No Fixing Pin Required: The tension can be adjusted according to the weight of the door to achieve different rebound speeds, ensuring smooth opening and closing. You can quickly and easily set the required tension for swing doors using the included hex wrench. Insert the hex wrench into the adjustment hole and turn it clockwise to increase the spring tension, which speeds up the closing speed.To release the spring tension and slow down the closing speed, insert the hex wrench into the adjustment hole and tap it lightly with an appropriate tool.
- 4.Two-Way Opening and Automatic Closing: The double spring hinge allows the door to open in both directions and close automatically. When you push the door, the springs compress and store energy. Once you release the door, the springs release this energy, pulling the door back into its original position. This feature enhances convenience, safety, and energy efficiency, significantly improving traffic flow.
- 5.304 Stainless Steel, Brushed Finish: Made from high-quality 304 stainless steel, it is rust-resistant, moisture-proof, and deformation-free, ensuring reliability and durability. The surface features a fine brushed finish, offering a modern aesthetic while being more scratch- and wear-resistant.
The adjustable tension double action spring hinge for swing doors features an integrated spring tension adjustment system with no need for a fixing pin. Users can flexibly adjust the automatic closing speed and strength according to the weight of the door and their usage needs, ensuring the best operational experience. The adjustment is simple and requires no complex tools. Insert the hex wrench into the adjustment hole, turn it clockwise to increase the spring tension, and the door will close faster. Insert the hex wrench into the adjustment hole and tap the wrench with an appropriate tool to release the spring tension, slowing the closing speed.
This hinge is designed for heavy-duty use, specifically engineered to handle heavy doors and frequent use environments. Compared to regular thin hinges, this hinge is made of 3mm thickened 304 stainless steel, providing stronger load-bearing capacity, allowing it to support heavier doors while maintaining long-term stability, making it ideal for commercial spaces or busy household environments. The surface has been meticulously treated with a brushed finish, offering a modern and aesthetically pleasing appearance while effectively resisting rust, moisture, and scratches, greatly enhancing the product's durability. Whether used indoors or outdoors, this hinge can maintain its excellent performance in harsh environments, ensuring long-lasting service life.
Double spring hinges are ideal for homes, commercial spaces, and high-frequency use areas due to their unique two-way opening and automatic closing functions. Made from 304 stainless steel, they are suitable for different door thicknesses. In residential settings, especially for kitchen or partition doors, they provide convenient entry and exit, while the automatic closing function enhances safety by preventing doors from remaining open for extended periods. In commercial spaces such as restaurants and shops, where frequent entry and exit are required, the two-way opening design is especially important for improving traffic flow and reducing congestion. The automatic closing feature also helps maintain indoor temperature and save energy. The robust structure of double spring hinges allows them to withstand frequent use and be suitable for both indoor and outdoor environments, ensuring their performance remains unaffected by changing weather or high usage, guaranteeing long-lasting durability.
Easy installation. Before installation, leave a 10mm gap, and the hinges come with pre-drilled holes for mounting. Align the screws with the mounting holes, connect the door frame and door panel, and tighten the screws with a screwdriver to complete the quick installation. Finally, test and fine-tune the tension to achieve the desired operating performance. The pre-drilled holes on the hinges ensure easy alignment during installation, eliminating the need for frequent adjustments. This not only speeds up the installation process but also ensures the door is level, avoiding issues with misaligned or tilted door frames due to incorrect installation. The package comes with all necessary accessories, so no additional tools are required, allowing for quick and efficient installation.
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.99 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We may provide a return shipping label for your return. If the return is due to our error, such as receiving the wrong item, a damaged item, or a defective product, we will cover the return shipping cost.
If the return is due to the customer’s reason, such as ordering the wrong item, changing your mind, or no longer needing the item, the original shipping fee and the return label fee will be deducted from your refund amount.
If a return is sent back without prior contact or without using our provided label, we cannot be held responsible for any return shipping costs or delivery issues.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
Oops!
Sorry, it looks like some products are not available in selected quantity.