If you looking for one of the best sj-15t worm screw jack manufacturers or a such supplier in China,Website:://.screwjacksj.com, equipped with one professional factory, Sijie Industrial Co.,Ltd is always at your service, we are able to offer you customized sj-15t worm screw jack products.SJ-15T Worm Screw Jack Detailed Information:1: Jack Model: SJ-15T2: Static Load Capacity: Max 15 tons3: Dynamic load Capacity: Max 6.4 tons4: Lifting Screw Diam: 50 mm5: Lifting Screw Pitch: 8 mm6: Gear Ratio:1/8 1/16 1/327: Lifting Speed: 1.25mm/s-25mm/sSJ-15T Worm Screw Jack Specification:ModelLiftingScrew(mm)WormGearRatioTravel perFull turn ofworm (mm)1800RPM1500RPM1200RPMPower(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)SJ-15TTr 50*81/81mm2.691300302.51450252.351700201/160.5mm1.421300151.32145012.51.241700101/320.25mm1.0117507.50.9419506.250.8722505WormGearRatioTravel perFull turn ofworm (mm900RPM600RPM300RPMPower(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)1/81mm2.172100152.113050101.66480051/160.5mm1.222007.51.11305050.8748002.51/320.25mm0.8128003.750.7941002.50.6164001.25