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CH‑45‑HB2 4.5 Inch Standard‑Weight 2‑Ball‑Bearing Commercial Butt Hinge
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SURFACE FINISHES
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SPEC NOTE
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Product Description
CH‑45‑HB2 4.5 Inch Standard‑Weight 2‑Ball‑Bearing Commercial Butt Hinge, 4‑1/2" ×4‑1/2" ×2.7mm square‑corner cold‑rolled steel butt hinge. Two ball‑bearing sets within knuckle delivers smooth, quiet operation for medium‑cycle commercial doors. Cost‑effective US standard commercial hinge for office, retail and institutional dry‑use door applications.
Installation recommendation: Minimum 2 pieces per commercial door.
Installation recommendation: Minimum 2 pieces per commercial door.
Specification & Dimension Table
| Model No. | Dimension (H × W × T) | Leaf Corner | Bearing Type | Rated Door Weight |
|---|---|---|---|---|
| CH‑45‑HB2 | 4.5" × 4.5" × 2.7mm | Square‑Corner | 2‑Ball‑Bearing | 50‑60Kgs |
Load‑Rating Recommendation
2.7mm standard leaf thickness: 50‑60Kgs door weight rating
Installation advice: 2‑3 pieces per commercial door
For dry indoor / sheltered light‑exterior application; not for continuously humid locations
Finish Explanation
| Code | Full Finish Name | Process Description |
|---|---|---|
| SC | Satin Chrome Plated | Cold‑rolled steel substrate, satin chrome electroplated finish |
| SN | Satin Nickel Plated | Cold‑rolled steel substrate, satin nickel electroplated finish |
| MB | Matte Black Plated | Cold‑rolled steel substrate, matte black electroplated finish |
| US10B | Oil‑Rubbed Bronze US10B | Cold‑rolled steel substrate, antique oil‑rubbed bronze electroplated US standard finish |
Application Scenarios
Medium‑traffic commercial & institutional wooden passage doors
Office buildings, retail stores, public facility interior doors
Cost‑sensitive commercial projects requiring smooth ball‑bearing performance
Product Advantages
Dual Ball‑Bearing Knuckle‑2‑set ball bearing assembly, quiet smooth rotation for medium opening cycles.
Standard‑Gauge 2.7mm Leaf‑Balanced strength & cost‑efficiency for general commercial duty.
Square‑Corner 4.5" US Commercial Size‑Follows standard commercial door prep dimensions.
Cold‑Rolled Steel Base‑Solid structure, multiple electroplated finish selections.
OEM Acceptable‑Custom logo & bulk‑order special packing available.
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