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Screw Jack Machinist Mill Lathe Tool

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Small Manual Hand Wheel Worm Adjustable Height Screw Jack

Screw Jack Machinist Mill Lathe Tool

 

Description:
Jack screws are a very handy tool for leveling work on machine tables or fixtures, setting up machinery,and general use in the tool room and machine shop.
Each jack is designed with a quick acting height adjustment through a fine adjusting screw Vise Accessories
Available in 4 adjustablesizes
Features a height locking ring
Characteristic: adjustable height
Hardness of heat treatment: HRC32+5 degree
Wear resistance, hardness and high load-bearing capacity of surface dyed black skin film treatment
Usage: Wrap the required height by hand, then screw down the middle nut and lock the main body at the bottom to fix the height, so as to prevent the screw from changing its height during use.
Actual load-bearing capacity = 1.2 times rated

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