UNITY Hardware Ltd. Logo-professional architectural door hardware manufacturer 
UNITY ball bearing heavy-duty matte black door hinges HB403025-BK comes in the size of 4” x 3” x 2.5mm, it is certified by Certifire/Exova/Warrington Fire/Warrington APT, etc.; For the application, it is perfect for doors in public buildings and commercial offices.
Specifications and Features
– AISI304 stainless steel material for high corrosion resistance (AISI316 material available)
– 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
– UNITY heavy-duty matte black door hinge HB403025-BK is suitable for a wide range of door thickness/weight
– 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
Unity offers a standard range of matte black door hinges as well as the capability to produce custom hinges.
For the standards and tests, Unity’s stainless steel butt hinges have been tested to EN1935: 2002 (Grade 13/Grade 10) and also fire rated to EN1634-1.
