Let us know if that is the case. Worm and other key parts are hardened and grounded. Base H1 135 mm (5 5/16). Vertex, horizontal and vertical rotary table, 8 inches, hv-8, 1001-002 not sure if the item will meet your needs? D 205 mm (8 1/16). Bolt Slots G 17 mm (21/32). Packed carefully and correctly utilizing a triple check method before leaving our facility.