Unlike door locks, crescent locks are specifically designed for PVC and aluminum alloy sliding windows, named for their crescent-shaped bolt. This lock utilizes a spring mechanism to achieve 180° or 360° rotation.
"3H Hardware • Harmony in Diversity" – We anticipate gathering with industry colleagues to explore the boundless possibilities of architectural hardware together! November 5-6, at Booth 202, Hall W1 – We look forward to welcoming you!
3H Hardware Architectural Hardware will seize this visit as an opportunity to continuously intensify technological innovation and intelligent construction, working hand-in-hand with the association to propel the high-quality development of the architectural door and window accessories industry.
Choosing reputable brands often provides more assurance regarding material quality and after-sales service. Although the initial investment might be slightly higher, the durability and reliability offered can prevent the hassle of frequent replacements in the long run.
Deeply understanding and strictly implementing their standard requirements is a wise practice for ensuring building safety at the source and fulfilling safety responsibilities. Equipping every fire door with compliant, high-quality hardware means adding a solid layer of protection to life safety passages.
LTS50
3H INC.
Product Description
| Brand:3H | |
| Material: stainless steel + PA66 | |
| Treatment:Natural | |
| Color:Natural | |
| Product adaptation standard:JG/T 129-2017 Construction Door and Window Hardware--Roller | |
| Package: 5 pieces per one Polybag Packaging,100 pieces per box | |
| Application:Sliding doors and windows | |
| Remark:maxinum bearing load:80KG; |
Specification

Product Description
With 80KG bearing capacity,this roller is tested repeatedly opening and closing reach100,000 cycles without damage.And it’s still sliding smoothly,steady and quietly.
When replacing the door and window roller, there is no need to disassemble it as a whole, just replace the new pulley, which can effectively prevent secondary damage to the door and window during the disassembly and assembly process.
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.
