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PD438STDHS: High-Strength Knob – Threaded Stud

Part Number: PD438STDHS


  • 3.125″ H (overall) x 1.462″ Diameter
  • Locating Boss, 1.000″ Dia. x .250″ H, with a 5/8″-11 stud 3/4″ long
  • Rated at 10,000 lbs. of static holding force
  • Mates with all standard PD438 Cylinder Locks

Spec SheetInstallation GuidelinesProper and Safe Operation Guidelines



  1. Tooling Technology has no way of testing every possible scenario in which our products could be used. If you are unsure about choosing the right product for your proposed application, please contact us.
  2. The published load ratings for each product are reliant on mating the knobs and cylinders with fasteners that are compatible with those respective loads.