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METRIC TRAPEZOIDAL SCREW
WORM GEAR SCREW JACKS
COMPARE Screw Jacks: to see a side-by-side jack comparison check the box in front of the jack model then click compare to build your customized chart. To view a specific jack click on the screw jack model link.

SORT Screw Jacks by a category: to sort by Capacity, Screw Diameter, Lead, Root Diameter, Gear Ratio, Raise for One Turn of Worm, Max Input Torque, Max Allowable Input, Max Load at 1425 RPM or Torque to Raise 1 kN.
Compare METRIC TRAPEZOIDAL SCREW WORM GEAR SCREW JACKS
MODEL GEAR
RATIO

CAPACITY
(kN)

LIFTING
SCREW
DIA.
(mm)
SCREW
LEAD
(mm)
ROOT
DIA.
(mm)
RAISE FOR
ONE TURN
OF WORM
(mm)
MAX INPUT
TORQUE
(N-m)
MAX
ALLOW.
INPUT
(kW)
MAX WORM
SPEED AT
RATED LOAD
MAX LOAD
AT 1425
RPM
TORQUE
TO RAISE
1 kN
(N-m)
PDF
PAGE
EM05-MSJ   5:1 5:1 5 16 4 10.9 0.8 2.25 0.27 1130 4 0.45 359
EM05-MSJ   20:1 20:1 5 16 4 10.9 0.2 0.94 0.13 1130 4.6 0.19 359
EM1-MSJ   5:1 5:1 10 20 4 14.9 0.8 5.19 0.36 665 4.7 0.52 360
EM1-MSJ   20:1 20:1 10 20 4 14.9 0.2 2.44 0.19 730 5.1 0.24 360
EM2.5-MSJ   6:1 6:1 25 26 6 17.8 1 14.9 1.51 975 17 0.59 361
EM2.5-MSJ   12:1 12:1 25 26 6 17.8 0.5 8.7 1.13 1235 21.7 0.35 361
EM2.5-MSJ   24:1 24:1 25 26 6 17.8 0.25 6.3 0.38 575 10.1 0.25 361
EM5-MSJ   6:1 6:1 50 40 7 30.9 1.17 40.3 1.87 445 15.6 0.81 362
EM5-MSJ   24:1 24:1 50 40 7 30.9 0.29 16 0.51 300 10.7 0.32 362
EM10-MSJ   8:1 8:1 100 55 12 40 1.5 97.2 3.65 360 25.2 0.97 363
EM10-MSJ   24:1 24:1 100 55 12 40 1.5 215 5.6 250 14.8 0.5 363
EM20-MSJ   8:1 8:1 200 65 12 50 1.5 215 5.6 250 35 1.08 364
EM20-MSJ   24:1 24:1 200 65 12 50 0.5 108 1.9 165 23 0.54 364