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5/64" (2mm)

Kerk Micro Series Lead Screws
Lead screw rolling and nut molding is brought to a new level of precision in our micro-sized parts. Manufactured of premium grade 303 stainless steel, Kerk Micro Series Lead Screw Assemblies provide exceptional performance, long life, and require no maintenance. High accuracy threads with superior uniformity deliver precise motion and reduce noise and vibration. Nut configurations of self-lubricating acetal and kerkite High Performance Composite Polymers. This remarkable product line is an enabling technology, opening up a whole new range of designs. The Micro Series allows the miniaturization of products, reduced power consumption, and weight reduction without sacrificing performance or reliability. Developed in response to growing demands in many markets. Haydon Kerk Motion Solutions has offered micro screws on a custom basis for more than 10 years. Now available as a standard product, customers can get quicker, cost effective deliveries. The Micro Series lead screws are available as stand-alone components or integrated into high performance Haydon linear actuators.

  • Specifications +


    5/64" (2 mm) Diameter Lead Screw. Diameter Code 008
    Lead Lead Code Left Hand Avail. Outside Diameter (For Reference) Root Diameter (For Reference) Efficiency %
    in mm in mm in mm
    0.012 0.3 0012 0.079 2.01 0.068 1.73 24**
    0.016 0.4 0016 0.075 1.91 0.058 1.47 30**
    0.02 0.5 0020 0.077 1.96 0.057 1.45 36**
    0.039 1 0039 0.079 2.01 0.059 1.5 52**
    0.079 2 0079 0.077 1.96 0.057 1.45 66**
    ** Listed efficiency for Micro screws are theoretical values based on non-coated lead screws.
    Shaded areas have been translated from their designed inch or mm dimension to an equivalent mm or inch dimension.

  • Compatible Nuts +


    5/64"(2mm) Compatible Lead Screw Nuts
    PROPERTY UNITS ZBM BFW
    Dynamic Load Lbs(kg) 1.0
    (.45)
    		 10
    (4.5)
    Static Frictional
    Drag Torque    		 oz-in
    Nm    		 .5
    (.0035)
    		 Free
    Wheeling

  • Lubrication Options +


    Haydon Kerk Motion Solutions™ offers multiple options for lubrication. All Kerk® lead screw nuts feature self-lubricating polymers. When maximum performance is required, Kerkote® and Black Ice™ TFE coatings provide unmatched results in the most demanding applications. 

    Kerkote® TFE Coating 

    Kerkote TFE is a soft coating, a long-term dry lubricant that is optimized for softer plastics like acetals and nylons, with or without mechanical reinforcement. Lubrication to the nut / lead screw interface occurs by the nut picking up Kerkote TFE particles from the coating as well as from the migration of the internal lubricant within the plastic nut. The lubricant, although solid, also has some “spreading” ability as in fluid lubricants. Kerkote TFE coated screws provide the maximum level of self-lubrication and should not be additionally lubricated or used in environments where oils or other lubricant contamination is possible. 

    Black Ice™ TFE Coating 

    Black Ice TFE coating shares many of the benefits of Kerkote TFE but, in contrast, is a hard coating that offers exceptional durability in all types of environments, with virtually any type of polymer lead screw nut. Rather than acting as a dry lubricant, Black Ice TFE is an anti-friction coating whose surface properties displace the metal to which it is applied. Though it is not intended for use with metal or glass fiber reinforced nuts, Black Ice TFE is bonded securely to the surface of the lead screw and can withstand abrasion from contamination, rigid polymer systems, fluid impingement and wash down applications. 

    Available Greases 

    TFE coatings are intended to be used without additional lubricants. There are certain applications where external lubrication may be desired. These include the use of nut materials such as glass reinforced plastic or metal. Haydon Kerk Motion Solutions does offer a selection of greases developed specifically for these applications. Please contact a sales engineer for assistance selecting the best lubricant for your requirements.

  • Typical End Machining Features +


    Standard End Machine