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Hinges and Stays
Concealed Hinges

Clip-on Hinge

Which hinge type? Given the factors:
> What is the desired opening angle?
> Is there a face frame?
> If not, what is the side panel thickness?
> Door thickness, size and weight
> How will the hinge be mounted to the door (screw-mount
or press-fit)?
> Mounting plate thickness
> Tab
> Self-close or soft close

Use the following formula to determine overlay:
Hinge type minus mounting plate type plus tab = overlay
Sample Calculations

Hinge type 14 Hinge type 4 Hinge type -4
Side panel mounting for overlay doors. Center panel/twin mounting for overlay doors. Side panel mounting for inset doors.

(A) Full Overlay (B) Half Overlay (C) Inset
Side panel Side panel Side panel

Overlay Overlay Overlay
Door Door Door
Tab Tab Tab
(for twin mounting)
16 mm (5/8") Hinge Mounting Tab Total 19 mm (3/4") Hinge Mounting Tab Total
material type plate overlay material type plate overlay
Full overlay (A) 14 - 0 + 4 = 16 Full overlay (A) 14 - 0 + 6 = 18
Half overlay (B) 4 - 0 + 4 = 8 Half overlay (B) 4 - 0 + 6 = 10
Inset (C) -4 - 2 + 4 = -2 (2 mm gap) Inset (C) -4 - 4 + 6 = -2 (2 mm gap)
If there is no mounting plate with the required height, then the tab or side adjustment must be altered.
9 The hinge arm can be adjusted to decrease the overlay up to 3 mm or to increase the overlay 1 mm.
How many hinges per door? Door width (mm)
Weight approx. (in lbs.)
There is no hard and fast rule which applies. When determining the 8 - 11 13 - 19 22 - 33 35 - 48
number of hinges needed, the main factors to consider are door 2500 500 500 500 500
Hinges and Stays Avoid disproportionate door width/weight ratios. Use this table for 2000 Dimensional data not binding. Dimensions in mm, inches are approximate. We reserve the right to alter specifications without notice.
size and weight. A trial mounting is advisable in case of any doubt,
such as with doors supporting mirrors, or unusually wide doors.
standard, conventional-material doors. When in doubt, always allow for
an extra hinge.
> For commercial and heavy-duty applications, see Häfele’s
Aximat Hinge
®
1500
> Use a Pozi drive #2 screwdriver for adjusting all hinges
> Keep hinges as close to top and bottom of door as possible
1000

500

2 3 4 5
Door height No. of hinges
in mm

FC 9.64 www.hafele.com/us