Designed to suit US market and other countries using inch units.
CLASSIC Model IMA Imperial.
12 Different Sizes.
Lifting Capacities 0.25 to 50 Tonnes (560 to 112000 lbs).
Drive Motor Speed up to 1750 rpm.
Self Locking Acme Screw.
Worm Gear in three ratios, Nominal, Slow1 & Slow2.
Lifting Screw in two different pitches.
Top and Bottom Guide bushes for Lifting Screw.
Inverted base configuration for 2,3 and 50 T models.
Worm Wheel hobbed for optimum blue contact.
Filled with NLGI EP 1 or 2 grade grease.