friction hinge four bar hinge 1.Length:6"- 40" 2.Solt width:13.5mm-22mm 3.Bar thickness:2.0mm,2.5mm,3.0mm 4.Opening 0-90

 friction hinge four bar hinge

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1).Window friction stay using in side hung window

2).Style available

  a.slot form: square

  b.slot width:18mm,bar width16mm,17mm

  c.bar thickness:2.0mm,2.5mm,3.0mm

  d:stack height:13.5mm-19mm

  e:No.of bars:4-6bars

3).Opening angle:0-90 degree

4).Size:6- 40

5)materials:SS430#,SS202#,SS304#

friction hinge four bar hinge,aluminum window accessories