3043-4BB-PSS 4″ Inch Ball Bearing Butt Hinge Stainless Steel Square Corner

TOPLOCK interior door hinges are made from stainless steel, both SUS201 and SUS304 for option.
Min. 200,000 cycles per hinge.
Hinges from each production batch to be randomly picked for multiple tests in the Multi-functional in-house lab, such as cycle test, salty spray test, wear-resistant test, tensile-resistant test.


Product Paremeter

Product Detail:?
Finish ColorPolished Stainless Steel (PSS) (Gold, Black, AB, AC, Grey/Gray etc. optional)
Ball Bearing4BB
MaterialSUS201 or SUS304
CustomizationSize, pattern, color, logo, etc.
ScrewsSS201 or SUS304 optional



1) SUS201 or SUS304 hinge leaves and assorted screws with the same material.

2) Hardened steel or stainless steel pins and ball bearings.

3) Multiple premium surface finishes for option.

4) ANSI/BHMA or EN 1935 or fire-rated certified.

5) Material Inspection Certificate provided to ensure standard ingredients.

6) 100% inspection for 3 respective procedures: polishing, finish & assembling.

7) Withstand heavy-duty interior doors.

8) OEM, ODM, or customization (dimensions, patterns, colors, strength, etc.) provided.

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