hardware screws
duff norton m2555 3 machine screw actuator 500 lb 3 in tvl
machine screw actuator rated load 500 lb lifting screw dia 1 2 in travel 3 in 20 turns of worm for 1 in raise full load torque 13 in lbs max hp 1 3 efficiency rating 30.6 % gear ratio 5 1 base top plate mounting type br b features b ul li finish anodized li li full load torque in . lbs . 13 li li item machine screw actuator li li max . hp 1 3 li li rated load lb . 500 li li travel in . 3 li li footnotes li li gear ratio 5 1 li li housing material aluminum li li mounting type base top plate li li efficiency rating 30.6 % li li lifting screw dia . in . 1 2 li li turns of worm for 1 in . raise 20 li ul