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Jacton Industry Co.,Ltd.
Contact: Warren Lee
Skype: jactonjack
T: 86-769-81585810
F: 86-769-81585852
E: sales@jactonindustry.com
W: www.screw-jack.com

Manual Worm Gear Screw Jack
Hand wheels are available for Screw Jack so that it can be easily used for manual operation. Hand wheels are used for self-lock equipped worm gear machine screw jacks only. Because ball screw jack and high lead screw jacks are not equipped with a self-lock, the input shaft may be reversed by a load, therefore, it is dangerous to use the hand wheel. Manually operating a jack when using screw jacks in intermittent positioning applications. Note: clockwise rotation with lift screw moves down(retract), counter-clockwise rotation with lift screw moves up(extend).

lead screw jack hand crank

A lead screw jack hand crank is composed of a hand crank and a lead screw jack. If must be not backdriving, a hand crank machine screw jack with self locking is the best choice. If must be hand crank ball screw jack with high precision, locking mechanisms need to be considered.

hand crank acme jacks

A hand crank acme jacks is composed of a hand crank and a acme screw jack. If must be not backdriving, a hand crank machine screw jack with self locking is the best choice. If must be hand crank ball screw jack with high precision, locking mechanisms need to be considered.

hand-driven screw hoist

A hand-driven screw hoist is composed of a handwheel and a screw jack hoist. If must be not backdriving, a hand-driven machine screw jack with self locking is the best choice. If must be hand-driven ball screw jack with high precision, locking mechanisms need to be considered.

manual lifting screw mechanism

A manual lifting screw mechanism is composed of a handwheel and a lifting screw jack mechanism. If must be not backdriving, a manual lifting machine screw jack with self locking is the best choice. If must be manual lifting ball screw jack with high precision, locking mechanisms need to be considered.

3 ton jack with right angle drive and manual handle

A 3 ton jack with right angle drive and manual handle is composed of a crank handle and a 3 ton screw jack. If must be not backdriving, a manual handle machine screw jack with self locking is the best choice. If must be manual handle ball screw jack with high precision, locking mechanisms need to be considered.

worm gear screw drives manual

A worm gear screw drives manual is composed of a handwheel and a worm gear screw drive. If must be not backdriving, a manual machine screw jack with self locking is the best choice. If must be manual ball screw jack with high precision, locking mechanisms need to be considered.

powerjacks handwheel

A powerjacks handwheel is composed of a handwheel and a power jack. If must be not backdriving, a handwheel machine screw jack with self locking is the best choice. If must be handwheel ball screw jack with high precision, locking mechanisms need to be considered.

manual handle lifting mechanism

A manual handle lifting mechanism is composed of a handwheel and a screw jack lifting mechanism. If must be not backdriving, a manual handle machine screw jack with self locking is the best choice. If must be manual handle ball screw jack with high precision, locking mechanisms need to be considered.

hand cranked lift mechanism

A hand cranked lift mechanism is composed of a hand cranked and a screw jack lift mechanism. If must be not backdriving, a hand cranked machine screw jack with self locking is the best choice. If must be hand cranked ball screw jack with high precision, locking mechanisms need to be considered.

hand crank with built in jack lifts

A hand crank with built in jack lifts is composed of a hand crank and a screw jack lifts. If must be not backdriving, a hand crank machine screw jack lifts with self locking is the best choice. If must be hand crank ball screw jack lifts with high precision, locking mechanisms need to be considered.

wormgear jack with hand crank for sale

A wormgear jack with hand crank is composed of a hand crank and a worm gear jack. For hand crank operation applications, available in low duty cycle, light weight, and short travel length(stroke). It is ideal solutions for applications where electricity or power generators is inconvenient or dangerous.

height adjuster manual worm screw

A height adjuster manual worm screw is composed of a handwheel and a worm screw jack. For manual operation applications, available in low duty cycle, light weight, and short travel length(stroke). It is ideal solutions for applications where electricity or power generators is inconvenient or dangerous.

hand cranked worm gear

A hand cranked worm gear is composed of a handwheel and a screw jack worm gear. For manual operation applications, available in low duty cycle, light weight, and short travel length(stroke). It is ideal solutions for applications where electricity or power generators is inconvenient or dangerous.

adjustable jack screw with manual crank lift

A adjustable jack screw with manual crank lift is composed of a manual crank and a jack screw lift. For manual crank operation applications, available in low duty cycle, light weight, and short travel length(stroke). It is ideal solutions for applications where electricity or power generators is inconvenient or dangerous.

screw jack hand wheel crank

A screw jack hand wheel crank is composed of a hand wheel crank and a screw jack. For hand wheel crank applications, available in low duty cycle, light weight, and short travel length(stroke). It is ideal solutions for applications where electricity or power generators is inconvenient or dangerous.

manual gearbox lifting

A manual gearbox lifting is composed of a handwheel and a screw jack gearbox. For manual operation applications, available in low duty cycle, light weight, and short travel length(stroke). It is ideal solutions for applications where electricity or power generators is inconvenient or dangerous.

hand operated leveling jacks

A hand operated leveling jacks is composed of a handwheel and a leveling screw jack. If must be not backdriving, a hand operated machine screw jack with self locking is the best choice. If must be hand operated ball screw jack with high precision, locking mechanisms need to be considered.

handcrank lifting actuator

handcrank lifting actuator Descriptions
handcrank lifting actuator is ideal solutions for applications where electricity or power generators is inconvenient or dangerous, light weight, low duty cycle, low target cost and short travel length.

handle power screw jack lift

handle power screw jack lift Descriptions
handle power screw jack lift is ideal solutions for applications where electricity or power generators is inconvenient or dangerous, light weight, low duty cycle, low target cost and short travel length.

hand operated lifting jacks

hand operated lifting jacks Descriptions
hand operated lifting jacks is ideal solutions for applications where electricity or power generators is inconvenient or dangerous, light weight, low duty cycle, low target cost and short travel length.
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