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.
LTS834
3H INC.
Item No. | LTS834 |
Size | 129*26*24mm |
Application | Sliding door and sliding window |
Material | 304 stainless steel + Nylon Wheels |
Surface Treatment | Natural |
Color | Natural |
Load Bearing | 65/90/110/120KG/pair |
Function | durable,easy-installation,smooth-operation |
Package | Box |
Specification

Product Description
1. Maximum load bearing is 65/90/110/120KG/pair.
2. Many options for nylon roller,please give clean indication of parameter of the rail shape and angle when place the order.
3.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 Select the Roller?
The selection is based on the weight of sash,the hardware space of the profile and the load bearing of the roller:
a).window/door sash weight=(glass weight+sash profile weight)*1.3(safety index);
b).the shape and dimension of the roller must accord with the shape of the bottom slide rail;
c).select the suitable roller according to point a) and b).
Note:the load bearing of the roller is one pair.
The installation of the roller
The connection of the roller and the sash is different due to the difference of the roller and profile.
Decide the way of thee installation first,then use screw or bolt accordingly.
2.The roller and the bottom of the sash must be firmly connected.
Notice
The use effect of the roller is relevant with its load bearing,wheel rail,shape and angle,please
make a trial installation before ordering great amount.
