How to tighten the color steel shed beam

1, the color steel shed beam screws are nailed first to buy a big ass with a cooked plastic pad.

2. When the color steel shed beam is tightened, evenly fix the rubber pad, and then turn it to 1 2 turns.

3. The screw skin pad of the color steel shed beam is firmly attached to the color steel plate, and the screws are tightened hard. Be careful not to screw through, so that the screws of the color steel shed beam will be finished.