T20 Hand Crank Screw Set Key benefits - Precise manual linear motion: converts rotary input into smooth, controllable axial movement for positioning and clamping. - Robust construction: lead screw, nut and base made of 45# steel with a black surface finish for durability. - Comfortable operation: foldable aluminium alloy handwheel with a 125 mm diameter for good leverage. - Flexible fit: available in multiple lengths to suit different machines and fixtures. - Reliable, low-maintenance design suitable for repeated adjustments in workshop environments. Specifications and features - Product name: T20 Hand Crank Screw Set - Material: lead screw, nut and base are 45# steel with a black surface - Handwheel diameter: 125 mm (foldable aluminium alloy) - Length options: 250 mm, 280 mm, 300 mm, 400 mm, 500 mm, 800 mm, 1000 mm Use scenarios - Scenario 1: Used to position workpieces with high precision in a small milling machine fixture during setup and probing. - Scenario 2: Adjusts alignment in welding jigs or assembly fixtures to ensure repeatable part locations. - Scenario 3: Provides manual feed and position control on lathes or CNC retrofits where incremental movement is required during setup or inspection.