As a black door hinge manufacturer & supplier with consistent quality, UNITY supply various qualified mortice door hinge with OEM service.
Our ball-bearing stainless steel black door hinge HB503030-BK comes in the size of 5” x 3” x 3mm; And it is suitable for a wide range of door thickness/weight(up to 120kg).

Specifications and Features
– AISI304 stainless steel material for high corrosion resistance (AISI316 material available on request)
 – Hardened Ball Bearings
 – Square and radius corner version available
 – Template drilled for easy installation and retrofitting purpose
 – Designed for metal or timber fire rate door set
 – Dogbolt version optional for enhanced security
 – Stainless steel door hinge HB503030-BK black door hinge is suitable for a wide range of door thickness/weight (up to 120kg)
 – Supplied with CSK stainless steel screws
EN1935:2002 Classifications
Standard Hinges
| 4 | 7 | 6 | 1* | 1 | 4 | 0 | 13 | 
Dogbolt Hinges
| 4 | 7 | 6 | 1* | 1 | 4 | 0 | 13 | 
*Provided they are fitted in accordance with the guidelines detailed in IFCA/06252.
Other Finishes Available
– Satin Stainless Steel (US32D/630)
 – Polished Stainless Steel (US32/629)
 – Satin PVD Titanium
 – Bright PVD Titanium
*Other finishes available on request
UNITY Mortice Door Hinge
As a door hinge manufacturer, Unity offers a standard range of hinges as well as the capability to produce custom ones.
 What is more, Unity’s stainless steel butt hinges have been tested to EN1935: 2002 (Grade 13/Grade 10), and also fire rated to EN1634-1.
If you are looking for a black door hinge manufacturer, inquire UNITY now!
 UNITY Hardware Ltd. Logo-professional architectural door hardware manufacturer
 UNITY Hardware Ltd. Logo-professional architectural door hardware manufacturer 

















