Stainless steel vault door size according to the actual needs of customers manufacturing, vault door with multi-point bold Safety Doors bolt, bolt diameter 12-15mm, controlled by the automatic mechanism. Stainless steel vault door facade using 3-5mm thickness of cold-rolled steel, doors and door frames with more closely. Luxury trim exterior metal thickness of 1.5mm brushed stainless steel plate. 3mm thick support frame + 90mm thick polyurethane foam. Main door thickness of 8mm steel anti-drill, anti cutting alloy plates, locks parts alloy plate board thickness of 25mm. Anti-drill, anti cutting alloy plates, locks parts alloy plate board thickness of 25mm. Lock lid thickness of 1.0mm brushed stainless steel plate. 396X199H steel girder and 360X98 channel using Arc and preform connection between the steel girder with 200X100H connection, the library board bolted to steel beam; vault roof panels assembled from building blocks, library board structure for anti-sabotage time is not less than 60 minutes of the library board, which consists of the outer to the inner structure of 8mm 50mm steel reinforced concrete layer (6 internal diameter rebar spacing 100X100mm plating strip and 25X1 network) 39mm fire cotton 3mm steel plate. Overall thickness of 100mm, between the plates with bolts. (Note: reinforced cement concrete model PO42.5 #) library board uses phosphate - rust spray - spray paint (the color is determined by the customer). . Library board weight of not less than 230 kilograms per square meter. Can also be made more lightweight design of the plate according to the actual needs of users. Shanghai Tianqi Industry Co., Ltd. in the quality first, credit first, customer-oriented objectives, quality products, low prices and service to provide you forever. We in good faith, sincere, honest spirit of sincerity three customers to create buy our products can be safe to use after the environment. We use pioneering spirit, perseverance attitude and you work together to create brilliant! Choose Tianqi, is your right choice. Landline: 021-37620289, portable: 18001965623