Find and select your perfect hinges and stays with Sugatsunes ‘Sasuga-Kun!’
This tool can calculate flap/door moment, Operating force and more.
Just input a few values, such as weight and dimensions of the flap/door.

Halder smooth spring plungers with collar, ball & self-clamping feature for locating, applying pressure, as...
Eberhard Dual Stage Low Profile Rotary Latch 1-475-L & 1-475-R (right hand shown)
Southco CA Counterbalance External Hinges allow a heavy lid or panel to be lifted with...
Sugatsune HG-SHL High Load Capacity Spring Hinge in Stainless Steel
Toggle Latches PAH-60 & 70 Series. Heavy Duty. PAH-60-2600, PAH-70-2600, PAH-70-2573 & PAH-61-200-BATRIG
VTC-317-S Heavy Duty Clamps: Adjustable Bar, Front Mounting, Flanged Base
HG-YC105 Detent Hinge Sugatsune Stainless Steel Detent Hinge