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Servo-Drive Lead Screws, Nuts, Antibacklash Nuts and various Nuts Assemblies

Lead Screws Roll Over Ball Screws SERVO-DRIVE's lead screws have exceptionally shorter lead times, offer higher performance and are more cost effective.

  • Our lead screws handle high loads
  • Full line of anti-backlash solutions
  • More accurate than ball screws on long lengths
  • Fine resolution, high speed - with leads from 0.3mm/rot to 90mm/rot
  • Efficiencies of 80%, no need for grease with our TFE coatings
  • Lead Screw and Nut Assemblies

    Lead Screws, Nuts, Antibacklash Nuts and various Nuts Assemblies:

    Servo-Drive offers 5 different styles of nuts from free wheeling non antibacklash nuts to a user adjustable anti-backlash nut. All of these nut styles are available on screws ranging from 3.2mm to 15.9mm in diameter with leads as fine as 0.3mm up to fast leads as high as 31.75mm. Contact Servo-Drive today for your custom linear motion solution.

    Our standard offering is a proprietary self-lubricating polyacetal thermoplastic that offers the following traits:



    Industry definitions: Pitch, Lead, Number of Starts...

    lead screw N nut

    Lead Screw with "N" Style nut - Standard Normal Nut (with backlash)

    Lead Screw N style nut
    Part NumberDiameterLeadStartsPitch
    42-347-14,760,6410,64
    42-347-24,761,2711,27
    42-347-34,762,5421,27
    42-347-44,765,0841,27
    42-347-54,7610,1681,27
    42-347-65,546,116,1
    42-347-75,541,2211,22
    42-347-85,541,5911,59
    42-347-95,542,4421,22
    42-347-105,544,8841,22
    42-347-115,549,7581,22
    42-347-126,350,6410,64
    42-347-136,350,7910,79
    42-347-146,351,2711,27
    42-347-156,351,5911,59
    42-347-166,352,5412,54
    42-347-176,353,1821,59
    42-347-186,356,3541,59
    42-347-196,3512,781,59
    42-347-206,3519,0544,76
    42-347-216,3525,483,18
    42-343-19,530,6410,64
    42-343-29,531,0611,06
    42-343-39,531,2711,27
    42-343-49,531,5911,59
    42-343-59,532,1212,12
    42-343-69,532,5412,54
    42-343-79,534,2322,12
    42-343-89,535,0822,54
    42-343-99,5310,1642,54
    42-343-109,5330,4856,1
    42-343-119,53515

    Lead Screw Dimensions

    lead screw N nut
    Screw DiameterNut DiameterNut LengthThreadThread LengthStatic LoadDesign Load
    ABCTHDkgkg
    4,815,8810,929/16-18UNF
    (no metric size)
    6,13216
    5,6-6,415,8810,929/16-18UNF
    (no metric size)
    6,14623
    9,519,0517,275/8-18UNF
    (no metric size)
    8,136834
    lead screw flange adapter
    > > > Flange adapter for metric mounting

    Lead Screw with "W" and "C" Style nut - Wedge style and Compression type Antibacklash Nut

    Lead Screw W style nut
    Part NumberDiameterLeadStartsPitch
    42-345-14,760,6410,64
    42-345-24,761,2711,27
    42-345-34,762,5421,27
    42-345-44,765,0841,27
    42-345-54,7610,1681,27
    42-345-65,546,116,1
    42-345-75,541,2211,22
    42-345-85,541,5911,59
    42-345-95,542,4421,22
    42-345-105,544,8841,22
    42-345-115,549,7581,22
    42-345-126,350,6410,64
    42-345-136,350,7910,79
    42-345-146,351,2711,27
    42-345-156,351,5911,59
    42-345-166,352,5412,54
    42-345-176,353,1821,59
    42-345-186,356,3541,59
    42-345-196,3512,781,59
    42-345-206,3519,0544,76
    42-345-216,3525,483,18
    42-321-19,530,6410,64
    42-321-29,531,0611,06
    42-321-39,531,2711,27
    42-321-49,531,5911,59
    42-321-59,532,1212,12
    42-321-69,532,5412,54
    42-321-79,534,2322,12
    42-321-89,535,0822,54
    42-321-99,5310,1642,54
    42-321-109,5330,4856,1
    42-321-119,53515

    Lead Screw type Dimensions

    lead screw N nut

    Lead Screw "C" type Dimensions

    Screw DiameterNut DiameterNut LengthThreadThread LengthDesign LoadDrag Torque
    ABCTHDkgNcm
    4,8-6,415,8826,619/16-18UNF (no metric size)6,12,27 (4,54*)2,8 max
    9,519,0533,535/8-18UNF (no metric size)8,134,54 (11,34*)3,5 max
    *"W" type nut has same dimensions only higher design load lead screw flange adapter
    > > > Flange adapter for metric mounting


    Lead Screw with "T" Style nut - Torsion adjustable Antibacklash nut

    Nut Assembly Mechanismus can be rotated to set up Torsional Force inside Nut Assembly that sets up Antibacklash Force. It allowed to set up Antibacklash Force directly in Machine to exact needed value.

    Lead Screw T style nut
    Part NumberDiameterLeadStartsPitch
    42-349-14,760,6410,64
    42-349-24,761,2711,27
    42-349-34,762,5421,27
    42-349-44,765,0841,27
    42-349-54,7610,1681,27
    42-349-65,546,116,1
    42-349-75,541,2211,22
    42-349-85,541,5911,59
    42-349-95,542,4421,22
    42-349-105,544,8841,22
    42-349-115,549,7581,22
    42-349-126,350,6410,64
    42-349-136,350,7910,79
    42-349-146,351,2711,27
    42-349-156,351,5911,59
    42-349-166,352,5412,54
    42-349-176,353,1821,59
    42-349-186,356,3541,59
    42-349-196,3512,781,59
    42-349-206,3519,0544,76
    42-349-216,3525,483,18
    42-341-19,530,6410,64
    42-341-29,531,0611,06
    42-341-39,531,2711,27
    42-341-49,531,5911,59
    42-341-59,532,1212,12
    42-341-69,532,5412,54
    42-341-79,534,2322,12
    42-341-89,535,0822,54
    42-341-99,5310,1642,54
    42-341-109,5330,4856,1
    42-341-119,53515

    Lead Screw type Dimensions

    lead screw N nut

    Lead Screw "C" type Dimensions

    Screw Diam.Nut Diam.Nut LengthThreadThread LengthDesign LoadDrag Torque
    ABCTHDkgNcm
    4,8 - 6,415,8827,439/16 - 18UNF (no metric size)6,16,80,53 - 2,82 (adjustable)
    9,519,0538,615/8 - 18UNF (no metric size)8,1313,610,53 - 2,82 (adjustable)
    lead screw flange adapter
    > > > Flange adapter for metric mounting


     

    Lead Screw Nut Flange Adapter for Metric Mounting

    lead screw flange adapter
    Screw DiameterBold Hole CircleBolt HoleFlange ThicknessPilot LengthPilotEfective Flange DiameterMounting Thread
    -ABCDEF-
    4,8-6,422,233,634,062,0415,8828,589/16-18UNF (no metric size)
    9,528,585,085,083,0519,05385/8-18UNF (no metric size)

    End Matching

    Any custome shape or feature on the ends of lead screw. Some common examples can be seen below: custom lead screw ends

    N style Nut

    lead_screw_nut

    C style Nut

    lead_screw_nut lead_screw_nut

    W style Nut

    lead_screw_nut lead_screw_nut

    T style Nut

    lead_screw_nut lead_screw_nut


    Request a Quote for Lead Screw and Nut:

    - request a quote for standardized or custom solution

    Request Quote Request Quote Request Quote

    Brass Trapezoidal Lead Screw Nut - customized solution:

    - production under defined drawing
    Brass Trapezoidal Lead Screw Nut - customized solution

    Request Quote Request Quote Request Quote

    Lead Screw with Preloaded Motion Nut - customized solution

    - production under defined drawing
    Lead Screw with Preloaded Motion Nut - customized solution

    Request Quote Request Quote Request Quote

    Catalog of ACME screws and motion nuts :

    Metric and ACME screws and motion nuts - catalog
    Catalog of ACME screws and motion nuts
    Trapezoidal motion screws sizes Tr2 to Tr28, 200 various screw leads, including standard motion nuts and preloaded antibacklash nuts.


    Miniature Lead Screw with Antibacklash Nut:

    - optionaly possible miniature motion screw with lead antibacklash nut
    - antibacklash nut is much bigger compared to motion screw (⌀25x26mm)
    - detailed drawing on request
    Miniature Lead Screw with Antibacklash Nut

    Request Quote Request Quote Request Quote

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