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CH‑40‑SP‑R58 4 Inch Spring Loaded Self‑Closing 5/8" Radius Butt Hinge
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SURFACE FINISHES
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SPEC NOTE
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Product Description
CH‑40‑SP‑R58 4 Inch Spring Loaded Self‑Closing 5/8" Radius Butt Hinge, 4" ×4" ×2.8mm cold‑rolled steel spring hinge with 5/8‑inch radius corners. Built‑in internal spring mechanism provides automatic self‑close function, closing tension is field‑adjustable. US‑standard 5/8‑inch radius corner profile, matches standard door preparation for residential and light‑commercial self‑closing interior doors.
Installation recommendation: Minimum 2 pieces per door.
Installation recommendation: Minimum 2 pieces per door.
Specification & Dimension Table
| Model No. | Dimension (H × W × T) | Leaf Corner | Bearing Type | Rated Door Weight |
|---|---|---|---|---|
| CH‑40‑SP‑R58 | 4" × 4" × 2.8mm | 5/8" Radius‑Corner | Spring‑Loaded | 40‑50Kgs |
Load‑Rating Recommendation
2.8mm standard leaf thickness: 40‑50Kgs door weight rating
Installation advice: 2‑3 pieces per door
For dry indoor application; designed for residential & light‑commercial self‑closing interior doors
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
Residential self‑closing interior passage doors
Light‑commercial office doors requiring automatic door‑closing function
Projects conforming to US‑spec 5/8‑inch radius corner hinge door prep
Product Advantages
Spring‑Loaded Self‑Closing‑Internal spring assembly, adjustable closing tension for on‑site tuning.
5/8‑Inch Radius Corner‑Industry‑standard radius profile, compatible with widespread US door cut‑out specs.
Standard‑Gauge 2.8mm Leaf‑Solid plate thickness for residential‑light commercial duty.
Cold‑Rolled Steel Base‑Multiple decorative electroplated finish selections.
OEM Acceptable‑Custom logo & bulk‑order special packing available.
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