(1) The installation of the security door should be in accordance with the type of security door used, and the appropriate installation method should be adopted.
(2) The door frame of the anti-theft door can be fixed with the expansion bolt and the wall body. The iron piece can be pre-embedded at the hole when the wall is built, and the door frame connecting piece is welded firmly during installation.
(3) Regardless of the connection method used for the door frame and the wall, there should be no less than 3 anchor points on each side and it should be firmly connected.
(4) When installing the security door, it should be straightened and hanged first. After the size is appropriate, temporarily fix it and correct it and adjust it. After the error is correct, the connection can be anchored.
(5) It is required that the sliding door can be pushed and pulled flexibly after installation; the swing door is easy to open and the closing is tight and firm.
(6) Anti-theft device should be installed between the door frame and the door leaf or other parts.
(7) Hardware accessories such as handles, door locks, and observation holes on the security door must be complete; the password protection lock, electronic alarm password system, doorbell paging and other devices on the multi-function security door must be effectively improved.
(8) The clearance from the ground plane should be no more than 5mm.
Nuts have internal machine threads, for use with machine thread bolts and Screws.We have a large selection of nuts.Different materials and different type.Aluminum material,stainless steel materials,steel materials,titanium materials etc are provided. Flange lock nuts,Flange serrated lock nuts,self-locking nuts,hex nuts etc are our popular types.Any sizes and colors could be customized. If you don`t see the nuts you required in our catalog, please send us an RFQ with your specificationns. We could produce or customize them to fulfill your unique needs including anodised colors.
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