Hollow U head Jack Electro Galvanized M34x4x400MM/150x120x50x5MM CNBM

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5000 pc
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30000000 pc/month

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Product Description:

  • Description of Hollow U head Jack Electro Galvanized  M34x4x400MM/150x120x50x5MM 

  • Material :Q235

  • Size :M30, M32, M34, M36, M38, M48

  • Surface treatment :Painted, Electro Galvanized, Powder Painted, HDG


  • Hollow U head Jack Electro Galvanized  M34x4x400MM/150x120x50x5MM CNBM

  • Hollow U head Jack Electro Galvanized  M34x4x400MM/150x120x50x5MM CNBM

  • Painted Solid Base Jack  M30x400MM/120x120x4mm Futures:

  • Scaffold Adjustable Screw Jack with threaded bar and Cast nut, adjustable to 600mm, designed to fit inside a Standard / Vertical pole to support the load from a standard, and which, in conjunction with a thick baseplate, is used for levelling of Scaffold purpose.


  • We offer the following base jack for scaffolding:

What are your products advantages?

  • Experience: over ten years in scaffolding manufacturing.

  • Quality: Certified by SGS, BS1139, EN74, Local Test Report.

  • Price: Moderate, Reasonable.

  • Service: Friendly and Responsible. OEM service is available.

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Q:Scaffolding installation process, construction preparation
Construction preparation(1): steel pipe should be consistent with current national standard "carbon structural steel" (GB/T700) regulations Q235- grade steel; new steel pipe should be the product quality certificate; steel surface should be flat and smooth, no cracks, scarring, delamination, dislocation, bend, burr, indentation and scratch depth, pipe diameter deviation not more than -0.5mm, the wall thickness deviation not greater than -0.5mm, cutting slope deviation not greater than 1.7mm, the steel surface should be brushed with antirust paint; old steel corrosion depth not greater than 0.5mm, more than the prescribed steel shall not be used.(2): buckle made of malleable iron fasteners, the material should be consistent with current national standard "steel pipe scaffolding fasteners" (GB15831) regulations; old buckle inspect before use, shall not have cracks, deformation, bolt appear smooth silk must be replaced; new and old fastener must brush good antirust paint.(3) foot board: the use of 4m long wooden foot board; foot width of not less than 200mm, the thickness is not less than 50mm, both ends should be set with a diameter of 4mm galvanized steel hoop two; rotten feet can not be used.(4) safety net, paint.(5) after the inspection and acceptance of the above parts have been classified and piled up in a neat and orderly manner, no water can be accumulated.2, scaffolding erection and removal(1) scaffold erection
Q:What is the service life of the mobile scaffolding accessories?
In actual use, there are a lot of mobile scaffolding accessories because of deformation, and other reasons, resulting in a lot of scaffolding accessories are not easy to use, or even eliminated. Therefore, the overall life of about 5 years. Therefore, the use of mobile scaffolding accessories should pay attention to the maintenance, so that its useful life to get more, the value of the use of more perfect.
Q:I would like to ask how much scaffolding steel prices, scaffolding steel pipe use what are the requirements?
The general price of 3800-4200 yuan per ton, you need to see the material and specifications.1 scaffolding steel pipe material Q195, Q215 or Q235, 2 scaffolding steel pipe specifications of phi, phi, phi, phi, phi, phi, 3.25, phi, phi, phi, 2.752, 5, 3 scaffolding steel pipe length of 1-6 meters, half a meter specifications; according to customer requirements specifications4 scaffolding steel pipe standard SY/T5768-
Q:What is the mobile scaffolding materials
About looking for specific mobile scaffolding, I suggest you here to see the mobile scaffolding, mobile scaffolding here all, other parts of the mobile scaffolding, mobile scaffolding may not fully determine where is here, you can find the mobile scaffolding, mobile scaffolding because it is easy to find, but now is not the mobile scaffolding too hard to find. About looking for specific mobile scaffolding, I suggest you here to see the mobile scaffolding, mobile scaffolding here all, other parts of the mobile scaffolding, mobile scaffolding may not fully here,
Q:Can you identify Scaffold Grade Aluminum tubing by looking at it.?
The grade or type of Aluminum Alloy materials can not be identified visually because they are almost all the same in appearance. Normally these materials are marked with there Alloy number or designation like, 6061- T6, at certain intervals so that users can distinguish them.
Q:Bowl buckle scaffold inspection and evaluation
(2) the focus of quality inspection of structural parts:Steel tube wall thickness, welding quality, appearance quality, adjustable base and adjustable support rod diameter, and nut with gap and material.(3) scaffold erection shall be inspected at the stage:The first 1 paragraphs to a height of 6m for the first stage (left bottom stage) the inspection and acceptance;The 2 frame should be checked regularly with the progress of the construction, to achieve a comprehensive inspection and acceptance;3 cases of more than 6 winds, heavy rain, heavy snow after the special inspection;4 shutdown for more than a month before recovery.
Q:What are the requirements for the construction of the scaffolding structure?
The scaffold structure is basically in the two-dimensional grid and a substantially two-dimensional outer grid connected grid, each of the included in the expected load conditions of scaffolding structure after long time has a bearing component of relatively stable strength. The anchor is connected with the support arm and has a first leg in the form of a bar or rod. The anchor may be aligned such that the first leg is substantially parallel to the longitudinal axis of the arm, and the distal end of the first leg extends beyond the arm. The structure of the scaffold also comprises one or more platforms, each platform is arranged between the two corresponding bearing bars of the inner and outer grid frames at the same height.
Q:21M high full scaffold erection scheme
dismantle4.1 the accurate preparation before dismantling the scaffold shall comply with the following requirements:1 should be a comprehensive inspection of the scaffold fastener connection, even wall pieces, support system is in line with the requirements of the structure;
Q:Can anyone give me a detailed design of a simple scaffolding?
can't draw here, but it's just an x with a flat board on top in 3 dimensions.
Q:Specification and type of scaffold erection
technical requirementThe materials used for steel pipe scaffold shall meet the following requirements:1 steel pipe diameter should be 48 ~ 51mm, wall thickness of ~ 3.5mm, length of 2.1 ~ 2.8m and 4 ~ 6.5m is appropriate, there are serious corrosion, bending, cracks, damage shall not be used.

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