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  • Heavy-Duty Iron Box Hinge with Blue Zinc Plating – 20KG Load Capacity, Model 1151-37

    • Hinge body constructed from 2.0mm thick carbon steel plate.
    • Surface treatment: Barrel-plated blue zinc finish.
    • Shaft core welded using rotary plating process.
    • Groove design allows full embedding into panel surface; shaft core protrudes outside the box.
    • Groove dimensions: Vertical length, width (width – shaft diameter/2), and thickness. Recommend increasing length/width/thickness by 1-2mm.
    • 180-degree opening angle after flat installation.
    • Screw specifications correspond to through-hole diameter.
    • In stock – Contact sales for details.
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  • Heavy-Duty Iron Hinge with Blue Zinc Plating – 30KG Load Capacity, Model 1151-61

    • Hinge body constructed from 2.0mm thick carbon steel plate.
    • Surface treatment: Barrel-plated blue zinc finish.
    • Shaft core welded using rotary plating process.
    • Groove design allows full embedding into panel surface; shaft core protrudes outside the box.
    • Groove dimensions: Vertical length, width (width – shaft diameter/2), and thickness. Recommend increasing length/width/thickness by 1-2mm.
    • 180-degree opening angle after flat installation.
    • Screw specifications correspond to through-hole diameter.
    • In stock – Contact sales for details.
    Read moreDone