Door Backset

Door Hardware for door backset.

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Introduction

Door backset measures the distance from the door edge to the center of the knob or deadbolt, ensuring hardware fits correctly. Standard residential backsets are 2-3/8 inches or 2-3/4 inches. Check your existing bore holes before ordering replacement locks. Adjustable latches or extended backset plates solve most retrofit needs.

  • Backset measurement accuracy
  • Compatibility with existing bore holes
  • Finish and security features

Choose the right backset hardware for smooth installation.

FAQs

Open the door and measure from the edge to the center of the handle hole.

Use adjustable latches or backset extension plates sold at most hardware retailers.

Proper fit keeps the latch fully engaged; incorrect backset can leave gaps.

Most U.S. brands follow the two common sizes, but always verify specs before purchase.

Yes, swap the latch or use a backset converter plate to avoid drilling new holes.