Self-lubricating lead screw nuts custom made to any shape

Self-lubricating lead screw nuts custom made to any shape

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By eeNews Europe

The manufacturer works closely with customers to develop a part especially suited for the mechanism being designed. Precision nuts made from polymers can be molded in just about any shape or with any complex feature imaginable. The standard material used in Kerk polymer-based nuts is self-lubricating polyacetal, which offers dimensional stability, good tensile strength, and is easy to machine. Kerk polyacetal nuts are impregnated with TFE (tetrafluoroethylene) for a permanent, self-lubricating thread contact surface. Along with self-lubricating polyacetal, Haydon Kerk Motion Solutions offers a variety of Kerkite composite polymers, a family of high-performance materials that provide exceptional wear properties with the cost and design advantages afforded through injection molding.

Haydon Kerk also produces precision nuts from many alternative plastics, including PEEK (polyetheretherketone), polyester, Torlon PAI (polyamide-imides), Vespel polyimide-based resin, PVDF (polyvinylidene fluoride), Ertalyte PET-P (polyethylene terephthalate), and customer-supplied specialty materials. Haydon Kerk also machines precision nuts from bronze, brass, and stainless steel.

Thread diameter for custom nut designs ranges from 2mm (5/64-in) up to 24mm (15/16-in). Thread leads are available from as small as 0.30mm in the smallest diameter (2mm) nut up to a coarse 76.2mm in the largest diameter (24mm) nut.

Visit Haydon Kerk Motion Solutions at

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