The rear cut back bolt dry hanging system can effectively fix various curtain wall panels. The hidden "internal wedge cutting" method is applicable to various interior and exterior decoration of buildings. It is a system composed of stainless steel back bolt, aluminum alloy connector and metal keel. With the development of social economy and the improvement of people's living quality, higher requirements are put forward for the quality of living environment, which promotes the development of curtain wall decoration industry. With the wide use of stone, ceramic board and clay board in curtain wall, higher requirements are put forward for curtain wall safety performance and construction technology.
| Size | M6*10 | M6*15 | M8*15 | M8*20 | |||||||
| A | 13.5 | 13.5 | 16.5 | 16.5 | |||||||
| B | 10 | 15 | 15 | 20 | |||||||
| C | 32 | 32 | 32 | 32 | |||||||
| D | 6 | 6 | 8 | 8 | |||||||