Choosing an original manufacturer (OEM factory) is key to ensuring hinge quality. Manufacturers with in-house production capabilities can strictly control the entire process from raw material procurement to final inspection, avoiding inconsistent quality control often associated with subcontracting or rebranding
<p style="margin-left:0.0000pt; margin-right:0.0000pt"><span style="font-family:Calibri; font-size:12.0000pt">Focusing on the theme "High-Performance Door & Window System Solutions," the company showcased cutting-edge innovative products, including:</span><span style="font-family:Calibri; font-size:12.0000pt">U-groove concealed casement window hardware system,</span><span style="font-family:Calibri; font-size:12.0000pt">Electric horizontal sliding window,</span><span style="font-family:Calibri; font-size:12.0000pt">Electric inward casement window,</span><span style="font-family:Calibri; font-size:12.0000pt">JTSM06/07 series lift-and-slide door hardware system,</span><span style="font-family:Calibri; font-size:12.0000pt">3HM1/NXC16 series tilt and turn hardware system</span>.</p> <p style="margin-left:72.0000pt"><!--[if !supportLists]--><!--[endif]--></p>
Regular maintenance is crucial for extending the service life of electric window openers. It is recommended to inspect the motor, wiring, and guide rails every three months, promptly removing dust and debris; avoid overloading; and regularly lubricate mechanical components to ensure smooth window operation.
Although door and window handles are small components, they directly affect daily usage convenience and safety.
3H Building Hardware will continue to uphold the development philosophy of "win-win cooperation and harmonious growth," focusing on advancing its expertise in door/window hardware and sealing systems.
LTS832
3H INC.
Item No. | LTS832 |
Size | 129*22*21.5mm |
Application | Sliding door and sliding window |
Material | 304 stainless steel + Nylon Wheels |
Surface Treatment | Natural |
Color | Natural |
Load Bearing | 65-120KG/pair(Multiple options,should check with technician before ordering) |
Function | durable,easy-installation,smooth-operation |
Package | Box |
Specification

Product Description
1. Comply with JG/T 129-2017 Construction Door and Window Hardware- Roller
2. Door rollers work well after 100,000 cycles tested with its biggest capacity.Window rollers work well after tests of 25,000 cycles tested with its biggest capacity.
How to Install the Roller?
a).The connection of the roller and the sash is different due to the difference of the roller and profile.
Decide the way of the installation first,then use the screw or bolt accordingly.
b).The roller and the bottom of the sash must be firmly connected.
