Metric Ball Screw, ECS-12X4-00-00-LH-250-G9 | Helix Linear Technologies

Lead (in)	0.157
Lead (mm)	4
Lead Accuracy	< 0.1 mm/300 mm
Lead Time	2 Weeks
Major Diameter (in)	0.472
Major Diameter (mm)	12
Minor Diameter (in)	0.386
Minor Diameter (mm)	9.800
Pitch (in)	0.157
Pitch (mm)	4
Screw Length (in)	9.843
Screw Length (mm)	250
Screw Weight (g)	0.910
Size	12x4
Starts	1
Thread Direction	Left Hand
Turns Per Inch	6.350
Turns per mm	0.25