ball screw (1)high precision (2)good price (3)all kinds of item (4)short delivery Ball screw1.Rolled and grounded both have.2.The grade is C5-C10,P3-P10.3.Max length is 6m4.Max diameter is 63mmApplication:Can be widely used in precision machinery, fitness equipment, printing, packaging machinery, health care and food machinery, textile machinery automation production and all kinds of mechanical ...