Inch Precision Accuracy Ball Screw Features

XPR

Precision Rolled thread ball screws are offered from 5/8" to 2 1/4" diameters with leads of 0.200" to 0.500" depending on diameter. Nook Industries uses the latest in CNC thread rolling technology and state of the art CNC induction heat treatment to manufacture a rolled screw with accuracy approaching precision ground at a substantially lower cost. XPR ball screws fill the need for applications that don’t warrant the expense for ground screws but still require more precise positioning than that offered by commercial grade screws. All are offered with internally preloaded non-adjustable ball nuts with either an integral flange or an OD thread which allows for the use of a custom flange to fit a specific need.

SGT

Standard Ground Thread ball screws are available in diameters from 5/8" to 2 1/2" in lengths up to 120". Threads are ground from high carbon alloy steel that has been induction heat treated to a depth greater than the thread. Standard stocked inch precision ball screws have a lead accuracy tolerance of ±0.0005 in/ft and are supplied with internally preloaded nuts which must be factory assembled. Ground screws are used for applications that require smooth operation, precise positioning, and repeatability.

For convenience, XPR AND SGT screws can be supplied completely machined and assembled with nuts and EZZE-MOUNTS ready for assembly. Should a standard assembly not fit the application, Nook can machine the screw to your specific design requirements. Ball nut configurations can be engineered to application requirements.

Please choose from the following Inch Precision Accuracy Ball Screw categories

Please select a product below to proceed.

Product Info Details
Product Screw Material Thread Direction Ball Circle Diameter [in] Lead [in]
PowerTrac SGT 0631 - 0200 RH
  4150 RH 0.631 0.200
PowerTrac SGT 0750 - 0200 RH
  4150 RH 0.750 0.200
PowerTrac SGT 0875 - 0200 RH
  4150 RH 0.875 0.200
PowerTrac SGT 1000 - 0200 RH
  4150 RH 1.000 0.200
PowerTrac SGT 1000 - 0250 RH
  4150 RH 1.000 0.250
PowerTrac SGT 1150 - 0200 RH
  4150 RH 1.150 0.200
PowerTrac SGT 1250 - 0200 RH
  4150 RH 1.250 0.200
PowerTrac SGT 1250 - 0200 LH
  4150 LH 1.250 0.200
PowerTrac SGT 1250 - 0500 RH
  4150 RH 1.250 0.500
PowerTrac SGT 1500 - 0200 RH
  4150 RH 1.500 0.200
PowerTrac SGT 1500 - 0250 RH
  4150 RH 1.500 0.250
PowerTrac SGT 1500 - 0500 RH
  4150 RH 1.500 0.500
PowerTrac SGT 2000 - 0200 RH
  4150 RH 2.000 0.200
PowerTrac SGT 2000 - 0200 LH
  4150 LH 2.000 0.200
PowerTrac SGT 2250 - 0500 RH
  4150 RH 2.250 0.500
PowerTrac SGT 2500 - 0250 RH
  4150 RH 2.500 0.250

Product Info Details
Product Screw Material Thread Direction Ball Circle Diameter [in] Lead [in]
PowerTrac XPR 0631 - 0200 RH
  4150 RH 0.631 0.200
PowerTrac XPR 0750 - 0200 RH
  4150 RH 0.750 0.200
PowerTrac XPR 0875 - 0200 RH
  4150 RH 0.875 0.200
PowerTrac XPR 1000 - 0250 RH
  4150 RH 1.000 0.250
PowerTrac XPR 1150 - 0200 RH
  4150 RH 1.150 0.200
PowerTrac XPR 1250 - 0200 RH
  4150 RH 1.250 0.200
PowerTrac XPR 1250 - 0500 RH
  4150 RH 1.250 0.500
PowerTrac XPR 1500 - 0250 RH
  4150 RH 1.500 0.250
PowerTrac XPR 1500 - 0500 RH
  4150 RH 1.500 0.500
PowerTrac XPR 2250 - 0500 RH
  4150 RH 2.250 0.500