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  • August 20, 2026

JWM trapezoidal screw jack specifications and models


JWM thread jack is a self-locking lifting equipment with a trapezoidal screw and worm gear structure. Its core specifications cover multiple tonnage ranges. The following are detailed parameter information:

1、 General basic specifications

●Core structure: Precision trapezoidal screw pair+high-precision worm gear pair, with theoretical self-locking characteristics, suitable for low-speed and low-frequency operation scenarios

Rated thrust range: 1.96kN~980kN (approximately 0.2 tons~100 tons)

Maximum travel: The standard can reach 2000mm, and the extended travel can be customized according to needs

Adaptive power: Supports motor drive and manual operation, with a maximum input speed of 1500r/min

Working environment: Suitable for temperature range of -20 ℃~100 ℃, designed for indoor load holding applications

2.JWM Threaded Jack Full Series Standard Models

Regular coverage model: JWM002、JWM005、JWM010、JWM025、JWM050、JWM100、JWM150、JWM200、JWM300、JWM500、JWM750、JWM1000

3、 Supporting and installation specifications

Sports form: Supports two modes of screw movement and nut movement

Input form: Multiple options including single axis input, dual axis input, flange input, etc

End type: can be matched with various connection accessories such as external thread, spherical hinge, pin hole end, flange end, etc

SWL series jack head structure type

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