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We have 16 threads per inch (tpi) and 20 tpi.  16 tpi fits our reproductions and 20 tpi fits our bright glass doorknobs.  Sold each.

16 or 20 tpi Threaded Dummy Spindle

$18.00Price
  • Measurements

    5/16" diameter

    15/16" long

    1" base

  • Description

    Dummy spindles are used to mount doorknobs on non-working doors that do not need to have turning knobs. The back plate or rosette to hold the doorknob in plate will cover the mounting plate. This spindle is compatible with glass antique doorknobs