| model | material quality | Length (mm) | colour | Weight (g) | function | 3D |
| K257-1 | zinc alloy | 44 | black | 56.82 | hide | Download |
| K257-2 | zinc alloy | 60 | black | 82.61 | hide | Download |
| K257-3 | zinc alloy | 68.5 | black | 153.5 | hide | Download |
| K257-4 | zinc alloy | 93.5 | black | 303.68 | hide | Download |
| K257-5 | zinc alloy | 116 | black | 1 | hide | Download |
Concealed hinge
Reversible design for left/right-hand installation
Multiple specifications are available for selection. It meets the needs of different application scenarios, select the corresponding model according to the load-bearing capacity and usage
K257-1: The maximum load-bearing capacity per unit is 7kg, suitable for a minimum thickness of 18mm
K257-2: The maximum load-bearing capacity per unit is 10kg, suitable for a minimum thickness of 18mm
K257-3: Maximum load-bearing capacity per unit is 20kg, suitable for a minimum thickness of 20mm
K257-4: Maximum weight capacity per unit is 25kg, suitable for a minimum thickness of 25mm
K257-5: Maximum weight capacity per unit is 30kg, suitable for a minimum thickness of 35mm
Positioning hinge
No. 1389 Kaiming Road, Economic Development Zone, Laizhou City, Shandong Province
