Metric Ball Screw, ECS-8X12-00-00-LH-250-G9 | Helix Linear Technologies

Lead (in)	0.472
Lead (mm)	12
Lead Accuracy	< 0.1 mm/300 mm
Lead Time	2 Weeks
Major Diameter (in)	0.315
Major Diameter (mm)	8
Minor Diameter (in)	0.264
Minor Diameter (mm)	6.700
Pitch (in)	0.118
Pitch (mm)	3
Screw Length (in)	9.843
Screw Length (mm)	250
Screw Weight (g)	0.400
Size	8x12
Starts	4
Thread Direction	Left Hand
Turns Per Inch	2.117
Turns per mm	0.083