Spiral Hand Screw Adjustable Jack

Spiral Hand Screw Adjustable Jack

Spiral hand screw adjustable jack Drawing diagram Specification: Product Name: Screw jack NutMaterial: S45C Surface treatment: blackening Product Description : The screw jack is one of the types of manual lifting tools, which has the advantages of compact structure and no oil leakage. The spiral...
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Product Details

Spiral hand screw adjustable jack


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Drawing diagram

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SpecABCDEKN
VL37-503750354011.572
VL50-705070354011.572
VL70-10070100404544.5135
VL100-150100150455011.5135
VL150-250150250506011.5155
VL200-300
200300506011.5155


 Specification:

Product Name: Screw jack

NutMaterial: S45C

Surface treatment: blackening

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Product Description

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The screw jack is one of the types of manual lifting tools, which has the advantages of compact structure and no oil leakage.


The spiral unfolding is a bevel, so it utilizes the inclined surface and the lever two simple machines to achieve the purpose of labor saving, that is, the swing of the rocker is used reasonably, the pinion gear is rotated, and the pair of conical gears are combined to drive the screw to push and lift.


The sleeve, so that the weight rises or falls. Since the bevel is flat, the reliable thread self-locking action supports the weight.

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