Inch Standard Accuracy Twin-Lead Ball Screw Features

Twin-lead ball screws offer dual opposing motion using a single drive system. These one-piece, high performance ball screws are made from high alloy steel that is black oxided for protection.

  • Lead accuracy of ±0.004"/foot is standard
  • For a shorter unthreaded center section, contact Nook Industries customer service at 800-321-7800.
Twin-Lead screws are stocked for quick delivery without machined ends in the sizes listed below.

Please choose from the following Inch Standard Accuracy Twin-Lead Ball Screw categories

To configure a part number, download 2D/3D models, view product specifications, or request a quote, please select a product category below to display and select a product within that category. (Step 3 of 4) You may also use the left and right blue arrows to navigate to additional product categories where applicable.

Product Info Details
Product Screw Material Thread Direction Ball Circle Diameter [in] Lead [in] Root Diameter [in] Incomplete Overlapping Thread Length [in] Maximum Overall Length [in] Maximum Useable LH & RH Thread [in]
PowerTrac SRT 0375 - 0125 RH/LH
  4150 RH/LH 0.375 0.125 0.300 01.00 36 16.50
PowerTrac SRT 0631 - 0200 RH/LH
  4150 RH/LH 0.631 0.200 0.500 01.25 72 34.25
PowerTrac SRT 1000 - 0250 RH/LH
  4150 RH/LH 1.000 0.250 0.820 01.50 96 46.25
PowerTrac SRT 1250 - 0200 RH/LH
  4150 RH/LH 1.250 0.200 1.115 01.50 108 52.50
PowerTrac SRT 1500 - 0250 RH/LH
  4150 RH/LH 1.500 0.250 1.320 03.44 108 52.50
PowerTrac SRT 1500 - 1000 RH/LH
  4150 RH/LH 1.500 1.000 1.140 04.00 192 94.00
PowerTrac SRT 2250 - 0500 RH/LH
  4150 RH/LH 2.250 0.500 1.850 04.00 192 93.50
PowerTrac SRT 2500 - 0250 RH/LH
  4150 RH/LH 2.500 0.250 2.320 04.00 192 94.00
PowerTrac SRT 3000 - 0660 RH/LH
  4150 RH/LH 3.000 0.660 2.480 06.00 192 93.50