
Hinges Constant Torque Position Control Hinge 8X49mm Concealed Hinges 0.2-1.5nm Damping Rotary Shaft for Laptop. Constant Torque Control: Provides constant resistance throughout motion for secure positioning at any angle. Damping Rotary Shaft: Smooth operation with damping features for laptops and display monitors. Custom Design Support: Professional R&D team and 3D printing for custom prototypes and special orders. Wide Application Scope: Suitable for notebooks, screens, self-service equipment, cameras, and audio gear. High Quality Material: Made of Iron with Nickel Plated finish for durability and corrosion resistance. Certified Manufacturer: ISO9001, IATF16949, and RoHS certified with over 10 years of industry experience. Fast Delivery Service: 3-7 days delivery time; immediate shipment available if items are in stock. Free Sample Offer: Free samples provided, though freight costs are charged by the buyer.