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PDQ Cylindrical Lock - SD116 Entrance/Office

PDQ SD series grade 2 lever set for commercial doors features unique through bolt installation for added security and durability and is UL listed A label for single swing doors.

The SD116 is an Entrance/Office function lock, where the door is unlocked by a key from the outside when the outer lever is locked by a turn-button on the inside lever. The inside lever is always unlocked.

  • Latch bolt operated by lever from either side or key in outside lever
  • Outside lever locked by push/turn button on inside
  • When outside lever is locked by push button on inside – key from outside,
    or rotating inside lever unlocks outside lever
  • When outside lever is locked by pushing and turning the button on the inside,
    key from outside or rotating inside lever retracts latch but does not unlock outside lever
  • Deadlocking (guarded) latch bolt

We also offer the SD Series Cylindrical Lock in several other functions - Privacy, Storeroom,and Passage. Compare Functions.


  • Listed by UL 10C / UBC 7-2 (1997) positive pressure, for single doors up to 4’0” x 8’0”.
  • Certified to ANSI/BHMA A156.2–1996, Series 4000, Grade 2.
  • Assembled in USA, meeting the requirements of the Buy American Act
  • Lifetime Manufacturer's Limited Warranty
  • Cylinder included


  • FOR DOORS: 1-3/8" to 1-3/4" thick.
  • DOOR PREP: Fits standard 161 door prep (2 1/8" hole x 2 3/4" backset). Through-door through-bolting. Through-bolts removable if desired.
  • BACKSET: 2-3/4" is standard.
  • FRONT: 2-1/4" x 1-1/8" for 2-3/4" backset. Stainless steel or wrought brass.
  • STRIKE: 4-7/8" x 1-1/4" (ASA).
  • LATCHBOLT: 1/2" throw. Adjustable front for flat or beveled doors.
  • HAND: Non-handed.
  • TRIM: Zinc diecast levers/wrought brass rose.
  • KEYS: Two change keys per lock.


 Satin Chrome 626/US26D

Installation Challenge Level

Recommended for Experienced or Professional Installers.

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