1. High reliability & accuracy 2. Long durability 3. High working efficiency 4. No backlash high precision rolled single nut ball screw Both have rolled or milled thread Diameter:30mmLead:5mmLength:as customer's requestAccuracy:C1-C10 Nut:single We also have models of 1605,1610,,2005,2010,2505,2510,3205,3210,4005,4010,5010,6310.etcUsing feature: Low Noise;Smooth Operation; High Rigidity and ...