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SB404030‑S1 Solid Brass Security Butt Hinge 4x4 Inch
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Product Description
SB‑S1 series is solid brass security butt hinge equipped with anti‑burglary security stud. The interlocking security stud prevents door from being pried open when leaf is forced outward, improving residential entry‑door security performance.
Leaf thickness 3.0 mm, rated door weight 60‑80 Kgs. Two dimension options: 4.0"×4.0" and 4.0"×3.0". Recommend 3 pieces installed per door leaf. Multiple classic brass decorative finishes for external & internal security door projects.
Leaf thickness 3.0 mm, rated door weight 60‑80 Kgs. Two dimension options: 4.0"×4.0" and 4.0"×3.0". Recommend 3 pieces installed per door leaf. Multiple classic brass decorative finishes for external & internal security door projects.
Specification & Dimension Table
| Model No. | Dimension (H × W × T) | Rated Door Weight |
|---|
Load‑Rating Recommendation
3.0mm leaf thickness: 60 ~ 80Kgs per door
Installation advice: 3 pieces per door leaf
Finish Explanation
| Code | Full Finish Name |
|---|---|
| S&L | Satin Brass |
| P&L | Polished Brass |
| GP | Gold Plated |
| AB | Antique Brass |
| AC | Antique Copper (brass substrate, surface antique copper coating) |
Application Scenarios
Residential entrance security wooden doors
Commercial heavy‑duty interior security doors
Retro‑style brass hardware matching projects
Product Advantages
Anti‑Burglary Security Stud‑Interlocking security pin blocks forced prying, enhance door anti‑theft performance.
Solid Brass Construction‑High‑strength brass material, wear‑resistant & corrosion‑resistant.
Two Size Options‑4"×4" and 4"×3" for different door frame requirements.
Multiple Vintage‑style Finishes‑Matches classic brass door hardware sets.
OEM Acceptable‑Custom logo engraving and special packing for bulk orders.
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