2 variants; 70 mm and 40 mm, 2 weight classes (A and C), opens in both directions, free swing (apart from the -10 or +10 degrees from closest hold position, at every 90 degree angle), 4 Extra strong ...

Pivot doors are not ordinary doors. They used to be a hassle to install and once in place, the door movement was often lacking. Things are different now, as companies like FritsJurgens have ...

A type of butt hinge, it has hidden bearings between the knuckles of the hinge, which reduce friction and help doors operate more smoothly. Ball bearing hinges are considered heavy-duty and durable, ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...