HUACI Hardware Factory Logo-professional architectural door hardware manufacturer 
Whether you look for a black door hinge supplier or for custom hinges, HUACI has the optional manufacturing solutions for you.
HUACI ball bearing black door hinge HB404030-BK comes in the size of 4 - x 4 - 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)
- 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
- HUACI black door hinge HB404030-BK 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
HUACI Mortice Door Hinge
As a black door hinge supplier, HUACI offers a standard range of hinges as well as the capability to produce custom hinges.
For the standards and tests, HUACI’s stainless steel butt hinges have been tested to EN1935: 2002 (Grade 13/Grade 10) and also fire rated to EN1634-1.
