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Nook Industries PowerAc™ ISO Trapezoidal Metric Lead Screw Assemblies have an enhanced thread which includes a centralizing thread form to prevent wedging and binding.

Nook Industries Speedy™ screws are designed to move light loads at high travel rates and have lead-to-diameter ratios of up to 6:1, these metric screws are extremely efficient and cost effective when compared to other methods of high-speed actuation are available with durable wear resistant plastic nuts and are manufactured from corrosion resistant alloy steel or stainless steel. For higher loads, bronze nuts are available. Special plastic materials can be ordered for demanding applications.

• Repeatable positioning accuracy of
  17.5µm / 25mm (Speedy Line)
  ±8.3µm / 25mm available on request
  6.25µm / 25mm (ISO Trapezoidal)
• Standard diameters from 5mm to 65mm
• Standard leads from 3mm to 200mm
• Alloy and Stainless Steel Screws
• Bronze and Plastic Nuts
• Flanges and EZZE-MOUNT™ end bearing supports are available for a complete lead screw assembly