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PD438SAHS: High-Strength Knob – Without Locating Boss

Part Number: PD438SAHS


  • 2.112″ H (overall) x 1.463″ Diameter
  • Center tapped with 1/2″-13
  • Rated at 10,000 lbs. of static holding force
  • Use Grade-8, High-Strength mounting screws when installing this product
  • Mates with all standard PD438 Cylinder Locks
Spec Sheet


  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.