They are 100% equivalent to the following manufacturers:, 80/20 #14018, Futura (T-Slots) #664088, Bosch-Rexroth #3 842 538 684
(HI-040-A) 40mm x 40mm Dynamic Pivot Hinge
D&D TruClose Adjustable, Heavy-Duty Pair Of Gate Hinges With LokkLatch Magnetic Dual-Sided Gate Latch for Metal Pool and Safety Gates Kit (Black) - LLMKATCHDS3BT - TruClose Gate Hinges - Gate Hinges
HI-040-A) 40mm x 40mm Dynamic Pivot Hinge
ESD Universal Double Ball Catch - Catch - A2A Systems
80/20 Inc., 15 & 40 Series, 12086, Standard Hinge with .315 (8mm) Slot Tab and Locking Lever Die cast zinc with black powder coat. .315 (8mm) slot
80/20 Inc., 12086, 15/40 Series, Standard Hinge with .315 (8mm) Slot Tab and Locking Lever
Angle clamp 40 with locking lever - Connectors - A2A Systems
ABH A240HD Full Concealed Aluminium Geared Hinge
ABH A240HD Aluminum Continuous Geared Hinges Fully Concealed 3/32 Inset w/ Door Lip Protector
ABH A240HD / A240LL Heavy-Duty Concealed Continuous Gear Hinge