Haydon Kerk Pittman (AMETEK, USA) Kerk WDG is a flanged anti-backlash self-lubricating nut for Ø3/16-1/2 in (4-13 mm) lead screws: dynamic load 4.5-34 kg (10-75 lbf), drag torque 0.03-0.06 Nm (4-9 oz-in), leads 0.5-12.7 mm with efficiency to 86% and left-hand options on selected sizes; the flange mount eases integration in medical devices, 3D printing and optics precision linear drives.
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