18Ga # 4Hinge
18Ga 4# Sectional Garage Door Hinge Galvanized Steel
It is used with 11mm diameter roller
Galvanized or Zinc Plated
This product introduction
Heavy Duty 18 Gauge Commercial or Residential Sectional Garage Door Hinge,No.4 Works with most overhead sectional doors. This hinge is installed down the center of the garage door to connect all panels together, also on the outer edge of the bottom panel and the second panel. It is widely used on the 8x7,9x7,9x8,16x7,16x8,18x8 garage doors.
The 18Ga garage door hinge is produced from galvanized steel or black steel,then zinc plated.And we could also do powder coating for the surface treatment.We use the automatic punching machine to make the parts of hinge, and then assemble the parts together.
How to control the quality of the sectional garage door hinge?We would choose the best steel material with good Physical Properties,and when we do the surface treatment of zinc plate, we would control the thickness of plating which would guarantee the garage door hinges would not rust easily,it is the most important for our products.
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