![BU & GC Bossong threaded insidide socked and sleeves BU & GC Bossong threaded insidide socked and sleeves](https://bossong.com/sites/default/files/styles/larghezza_massima/public/liv2_64.png?itok=nqc4DN2A)
BU / BUP. Bossong threaded socket.
GC. Bossong plastic sleeve for hollow bricks.
GF. Bossong metal sleeve for hollow bricks.
Suitable for concrete C20/25, stone, solid and not solid brick, hollow brick, wood.
For fastenings in heavy building construction, heavy industrial construction, heavy electricity area, heavy hydraulic and tilling area.
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