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4-Ball Bearing Butt Hinges

4.5" x 4.5" x 4.6 mm / 4.5" x 4" x 4.6 mm / 5" x 5" x 4.8 mm / 5" x 4.5" x 4.8 mm
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FULL MORTISE BALL BEARING HINGE

5-knuckle with 4-ball bearing for heavy doors or doors receiving high frequency service


Model : F4B Series



Specifications

Dimensions


F4B450：4.5"x 4.5"x 4.6 mm

F4B450-4：4.5" x 4"x 4.6 mm

 


F4B500：5"x 5"x 4.8 mm

F4B500-45：5" x 4.5"x 4.8 mm

Material


Stainless steel with satin finish

Certification


ANSI/BHMA A156.1, Grade 1

 

 

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