THK ball screws roll balls between shaft and nut for high efficiency: driving torque under one third of sliding screws, zero backlash, high rigidity, micro-feed and high-speed feed. The finished-shaft-end precision BNK04-BNK16 series covers screw shaft diameters 4-16 mm with leads 1-20 mm for precision positioning, alongside caged-ball, full-ball, rolled and rotary ball screw lines.
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