Torque Thumb Screws

Torque thumb screws are mechanical clamping components for holding, support and workholding applications. Vlier offers five designs on this page: Regular Type A, Swivel Pad Type, Inverted Type B, Tee Head Type C and Adjustable Type D. All five designs include a checknut to help prevent back-off during operation. Available sizes on this page range from 10–32 through 5/8–11, depending on design, with estimated end force values from 8 to 125 lbf. Product not available in metric.

Specify by:

  • Design type (Regular, Swivel Pad, Inverted, Tee Head or Adjustable)
  • Thread size (10–32 through 5/8–11, depending on design)
  • Estimated end force requirement
  • Contact style or pad option (standard, steel swivel pad or Delrin® swivel pad, where listed)
  • Overall length and envelope dimensions (A–F per table, depending on design)
  • Adjustable torque requirement (3–6 in–lb., Adjustable Type D only)

Click any row to see CAD and additional product information, or to add to quote.

Open All Tables
ANSI (Inch/American) Tables

Click any part number to see CAD, more information on part, and add to quote.

Part No.Estimated End Force Lbs.ABCDROHSCAD
T1028-1510-321-1/40.477/8T102
T1039-181/4-201-3/40.477/8T103
T10319-181/4-202-1/20.477/8T1031
T103A10-205/16-181-3/40.477/8T103A
T103A110-205/16-182-1/40.477/8T103A1
T103B10-205/16-1830.477/8T103B
T10412-233/8-161-3/40.477/8T104
T104112-233/8-162-1/40.477/8T1041
T10512-233/8-1630.477/8T105

Conversion Calculators

Enter known value in place of X to view results.

Metric & Inch conversion:
Inch
=
mm
Lbf/Newton Conversion:
lbf
=
N
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