Our high performance series typically has 50% greater duty cycle capabilities than the standard worm gear machine screw jack. So you get more from a machine screw jack before you need to upgrade to a ball screw jack.
A brand new AT/ ATB series gearboxes from Lude Transmission are high precision right angle spiral bevel gearboxes with various housing design: in stainless steel (AT Series) or Carbon steel (ATB Series).