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.
85 series
3H INC.
Product Description
| Products Name | Door Lock Body Sash Lock |
| Brand Name | 3H |
| Model Number | 85 series |
| Material | Stainless Steel |
| Color available | customization |
| Surface treatment | Nature |
| Spec. | details as the pic shown |
| Packing | Carton |
| Delivery Time | 30 days |
| Start Port | Foshan Port |
| Place of Origin | Foshan, Guangdong |
| Certification | ISO |
| OEM/ODM Availability | OEM/ODM Availability |
| Supply Ability | 100000pcs per month |
| MOQ | 100pcs |
| Application | casement door |
| Remark | configuration as drawing, and double check by sample |
Specification

Product Description
Application:wooden door,metal door,rebated or flush wooden door
Material:forend,lever flouer,latch,deadbolt and striking plate:stainless steel
Lock case:Galvanized steel
Deadbolt pocket:Plastic
Forend:square or round forend
Lever flouer:8*8mm
Advantages
Smooth Operation: Roller latches feature a rolling mechanism that allows for a smooth and quiet closing action. This reduces the noise and friction commonly associated with traditional latch systems, providing a more pleasant user experience.
Adjustable Latching: Many roller latches offer adjustable mechanisms, allowing for precise alignment and improved fit with the strike plate. This flexibility helps accommodate various door sizes and ensures a secure latch even with slight door misalignments.
Durability: Roller latch mechanisms are typically built from robust materials like steel or brass, making them highly durable and resistant to wear and tear. This durability extends the lifespan of the latch and reduces the need for frequent replacements.
Ease of Use: The design of roller latches simplifies the process of opening and closing doors. They often require less force to engage and disengage compared to other locking mechanisms, which can be particularly beneficial in high-traffic areas or for users with limited strength.
Enhanced Security: Roller latches provide a secure latch without the need for complex locking mechanisms. When installed correctly, they create a strong and reliable closure that helps keep doors securely closed while still allowing for easy access when needed.
Application Scenorinous

