scaffolding jack base to adjust the height

Product Description scaffolding jack base to adjust the height 1 .Surface Treatment: Galvanized,,powder coated
2. One set includes: inner pipe/upper tube,outer pipe/lower tube,screw pipe,casting nut,handle,pin
3 .Diameter size: Hollow type: φ48X4.0 φ38X4.0 Solid type: φ32/φ34
4: Height of jack base :300mm/450mm/500mm/600mm/750mm/950mm/1000mm
5:U head jack base size;100*100*45*3.5mm/165*165*100*4mm or customized
6: Base plate:120*120*5mm/150*150*6mm/140*140*4mm
Advantages of Q235 paint steel scaffolding shoring post prop jack
1. Beautiful and durable, convenient construction, save cost;
2. The spot is enough, short order cycle;
3. To ensure the quality, the entity processing companies, the price advantage;
Detailed Images adjustable scaffolding prop jack
Packing & Delivery adjustable scaffolding prop jack adjustable scaffolding prop jack Please answer to my following questions before you order.Thanks
Construction screw configuration
1) The thickness and size of the chassis
2) Welding configuration: welding processes are welding and friction welding.
3) rib: connecting portion screw and whether the chassis stiffeners, generally based on the requirements of the project, the longer screw backwater directly with stiffener shorter bottom bracket with a little.
4) the length of the screw, usually from 40-70, the thickness of the screw generally φ28, φ30, φ32, φ35.
5) entrusted with the adjusting nut can be divided into two processes: cast iron parts and stamping parts. Each model has a nut adjusting nut severity of the size of the points. Nut shape in two ways: bowl nut and wing nut.