eyeglass spring hinge for wood horn eyewear TSH-75
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TSH-75 is improved on the base of TSH-05.
Where is improved:
1): inclining degree: from 6 degree to 8 degree;
2): openning angle: from 96 degree to 100 degree;
3): angle of hinge head is made from the mold instead of being bended afterwards, so the angle is more precise than before.
one type of spring hinge suitable for any frames which has the soldering problem,while spring action is still required,such as wood frames,aluminum sunglasses,acetate frames and TR-90 frames etc.
It's secured by screws or single rivets(pins) for front two holes,and screws only for temples,Two spacers on the back of hinge avoid the moving problem once it's fixed into temples.
Now you don't need search the screws or rivets everywhere, as various size of them are available for choice free.
For front:: 3.5mm,4.2mm,5.0mm and 6.0mm shaft length self-tapping screws; 5.0mm,6.0mm,7.0mm single rivets available: internal thread screws available as well;
for temple: 2.5mm,3.0mm,3.5mm,4.5mm,5.0mm,6.0mm shaft length screws available;
Size: it's 4.0mm width hinge bottom with 3.8mm spring hinge case,with opening 100 degree angle which makes the installing more reasonable and easier.
Material: high nickel;
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