147.mortise door lock accessories -stainless steel butt hinge

STINALESS STEEL BUTT HINGE

Hinge equipped with/without ball bearings,optional for TWO / FOUR bearings

Strong top-wire structure.

Ultra-refine processing

Suitable for timber and steel doors.

Suitable for fire -proof doors,passed 90minutes fire proof test

Passed 300,000 cycles test

Materials in SS201 and SUS304

 

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