Features:

TSH-63 is one latest spring hinge for nylon eyewear, timber eyewear etc which need flex action but couldn't solder the springs hinges onto the frames.

This hinge is actually improved from TSH-61 originally,but there're two improvements on it.

first, decrease two holes to one hole on the front hinge;
second,change the screw position from front view to side view to hidden the screws.

 Sizes:
This is the shortest spring hinges,12..8mm springs body only excluding the front hinge, but the spring is strong enough.

the front hinge is made of three incline angles:
angle between temples and frames:  98 degee;
downward inclining angle of front oval piece: 7.7 degree;
inclining angle of two barrels of frame hinge: 5 degree;
they are completely consistent angles as they all come from the molds.

For every selling, the screws and spacers are matched without any additional charge.

How to install TSH-63:

for front hinge, exactly same as TSH-10, make hole for spacers and screw it in, make recess for racetrack piece,screw the racetrack into spacers;

for temple part, make recess on temples, insert the hinges in, screw the hinge by the side of temple.

Material: high nickel hinge with nickel color plated with stainless steel spacers/screws;

Drawing:

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