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SB403530‑4BB‑PT Solid Brass 4 Ball Bearing Butt Hinge With Pencil Tip 4"×3.5"×3.0mm
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Product Description
SB403530‑4BB‑PT is solid brass 4 ball bearing butt hinge fitted with decorative pencil‑tip finials on both ends. Four‑set precision ball bearings deliver outstanding load‑bearing, ultra‑smooth and silent rotation for heavy‑traffic doors; pencil‑tip finials bring slender conical vintage silhouette.
Important:‑4BB = 4 Ball Bearings;‑PT = Pencil Tip decorative finials. Upgraded 4‑ball‑bearing construction comparing to 2BB series, plus slender pencil‑shape end caps. Distinct from‑BT(Ball Tip),‑CT(Crown Tip),‑ST(Steeple Tip) finial versions.
Dimension 4.0" × 3.5" × 3.0mm. Recommended 3 pieces per door leaf, suitable for door weight up to 60‑80Kgs. Multiple decorative brass‑based finishes for heritage, classic and premium residential wooden door projects.
Important:‑4BB = 4 Ball Bearings;‑PT = Pencil Tip decorative finials. Upgraded 4‑ball‑bearing construction comparing to 2BB series, plus slender pencil‑shape end caps. Distinct from‑BT(Ball Tip),‑CT(Crown Tip),‑ST(Steeple Tip) finial versions.
Dimension 4.0" × 3.5" × 3.0mm. Recommended 3 pieces per door leaf, suitable for door weight up to 60‑80Kgs. Multiple decorative brass‑based finishes for heritage, classic and premium residential wooden door projects.
Specification & Dimension Table
| Model No. | Dimension (H × W × T) | Construction |
|---|
Related 4BB‑PT Series Models: SB302020‑4BB‑PT, SB302520‑4BB‑PT, SB403020‑4BB‑PT, SB303020‑4BB‑PT, SB403520‑4BB‑PT, SB404020‑4BB‑PT, SB353525‑4BB‑PT, SB353025‑4BB‑PT, SB403025‑4BB‑PT, SB404025‑4BB‑PT, SB503025‑4BB‑PT, SB503525‑4BB‑PT, SB504025‑4BB‑PT, SB403030‑4BB‑PT, SB403530‑4BB‑PT, SB404030‑4BB‑PT, SB454030‑4BB‑PT, SB454530‑4BB‑PT, SB503030‑4BB‑PT, SB503530‑4BB‑PT, SB504030‑4BB‑PT, SB604030‑4BB‑PT, SB605030‑4BB‑PT, SB454035‑4BB‑PT, SB454535‑4BB‑PT, SB505035‑4BB‑PT, SB403540‑4BB‑PT, SB454040‑4BB‑PT, SB454540‑4BB‑PT, SB503040‑4BB‑PT, SB504040‑4BB‑PT, SB505040‑4BB‑PT, SB604040‑4BB‑PT, SB504045‑4BB‑PT, SB504545‑4BB‑PT
Load‑Rating Recommendation
2.0mm leaf thickness: 25 ~ 40Kgs per door
2.5mm leaf thickness: 40 ~ 60Kgs per door
3.0mm leaf thickness: 60 ~ 80Kgs per door
3.5mm leaf thickness: 80 ~ 120Kgs per door
4.0mm leaf thickness: 120 ~ 150Kgs 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
Classic, vintage & heritage renovation wooden doors
Premium residential interior doors requiring elegant pencil‑tip finials
Boutique hotel, manor‑style project with ornate brass hardware set
Product Advantages
4‑Set Precision Ball Bearings‑Upgraded four ball bearing groups for superior load‑bearing, minimal friction and extended service life vs 2BB version.
Decorative Pencil‑Tip Finials‑Slender conical pencil‑shape end caps for distinguished vintage aesthetic appearance.
Solid Brass Body‑Corrosion‑resistant brass substrate, matches full brass hardware collections.
Full‑size‑PT Series Coverage‑Complete‑PT suffix range covers multiple sizes & leaf thickness.
OEM Acceptable‑Custom logo engraving and special packing for bulk orders.
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