Product Name: Ball Screw (JF Mini Series) (JF08) Model NO.: JF08 Shaft Shape: Hollow/Real Axis Axis Shape: Straight Shaft Stiffness & Flexibility: HRC58-62 Load: Revolution Axis Material: Bearing Steel or Stainless Steel Trademark: Yigong Transport Package: Paper or Wooden Box Which Suitable for Export Origin: China Nanjing HS Code: 84834010 Product Description Ball screw assembly is consisted of screw, nut and balls. It is to transfer the rotary motion into linear motion or transfer the linear motion into rotary motion. Ball screw is widely used for all kinds of industrial equipments and precision instruments. Especially in recent years, it is widely used in CNC machine tools. Yigong ball screw is made by grinding and whirling, not rolled, and it has two kinds of ball screw, P for positioning and T for transmission, accuracy from 1 to 7, 1 is the highest and 7 is the lowest. Model: JF(mini type)Dia.: 8mm, 10mm, 12mm, 16mm, 20mmLead: 1.5mm, 2mm, 2.5mm, 3mmProduction: according to customer's drawings or request.