Translating screw jack WJ51, WJ201

1 Ton Machine Screw Jacks WJ51, WJ201 Joyce 1-ton miniature worm gear machine screw jacks lift and precisely position loads. Upright or inverted, these jacks operate at full capacity in tension or compression and are available in Translating, Keyed for non-rotation, and KFTN designs. 3/4” diameter lifting screw Available in 5:1 and 20:1 ratios Standard lead, 0.200” ACME 2C Screw material – Cold Drawn Steel (CDS) Numeric lead, 100 TPI, .250” lead, ACME 2C Self-locking