This precision trapezoidal (metric) lead screws pitch and diameter are a perfect combination of high torque and speed. This screw fits the bill for most machine designs and will quickly become a standard.
 
These lead screws are a direct replacement for QueenBee CNC lead screws.
X&Y axis (depending on size): 1070mm 1570m. 
Z axis: 280mm
 
It may fit other CNC's but some shortening may be required or simply leave the lead screw sticking out on the opposite side of the stepper motor.
Compatible machines include: WorkBee, SharpCNC.
 
Equipped with a large diameter that helps eliminate whipping and a high pitch which provides a quick 8mm translation for every revolution on the screw.
 
Specifications
 
Tr8*8(P2) pattern
Diameter ∅ 8 (mm)
Pitch 2 (mm)
Lead 8 (mm)
4 Start
Made from Stainless steel