Strong Knob - The ball head is made of high density, strong tensile strength and less impurities materials, and is more in line with the requirements of electroplating;
- The electroplating quality is more stable, it can stably pass the surface quality salt spray test standard 72H, and it is not easy to corrode and fade.
|
Full inner Door Knob - Full inner ball, the riveting position of the inner ball is longer, the firmness is stable, the ball head is not easy to skew and loosen
|
Thick and Firm Latch - The thickness of the tongue plate material is 2.0mm, which can effectively enhance the strength of the crash door and prolong the service life.
- It ensures that the door is mute and can also be impact-resistant, so you are not afraid of slamming the door.
|
Sturdy Internal Structure - The material is 65 manganese steel, the manganese content reaches 0.9%;
- The wear resistance is strong and relatively stable, and it can pass the three-level standard 250,000 wear resistance tests.
|