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Framon BULL Bullseye Cylindrical Lock Installation Jig – 2-1/8" Face Bore, 2-3/8"/2-3/4" Backset

The Framon BULL Bullseye is a self-contained installation jig for accurately drilling wood or metal doors for cylindrical locks. Supports a standard 2-1/8″ face bore and switches instantly between 2-3/8″ and 2-3/4″ backsets via built-in tabs.
Regular price $485.71 USD

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  • Description
  • Specifications

The Framon BULL Bullseye Installation Jig is a professional-grade, self-contained alignment tool engineered to help locksmiths and installers drill precise cross-bore and latch holes on both wood and metal doors. Built from anodized aluminum with steel bolts, it delivers the dimensional accuracy and durability demanded by working professionals.

  • Standard 2-1/8″ Face Bore – drills the industry-standard cross bore for cylindrical locks right out of the box.
  • Instant Backset Adjustment – built-in tabs switch between 2-3/8″ and 2-3/4″ backsets without tools or guesswork.
  • Wide Door Thickness Range – accommodates doors from 1-1/4″ to 2-3/4″ thick.
  • Pilot Hole Guides – 1/8″ pilot holes at 12 & 6 o'clock positions for levers requiring 2-3/4″ through-bolt spacing.
  • Self-Contained Design – virtually no extra tooling required; only a 3/32″ Allen wrench (included) needed to change bore sizes.
  • Optional 1-1/2″ Reducer Bushings (BLSH032, sold separately) – expands compatibility to smaller cross-bore applications.
  • Optional Interconnecting Straps (BLSHSTRAP, sold separately) – links two Bullseye jigs for accurate spacing on interconnected lock installations.
  • Durable Construction – anodized aluminum body with steel bolts; blue anodized finish. Measures 7″ W × 6.5″ D × 3″ H; weighs 3 lbs.
Backset 2-3/4"
Manufacturer Framon Mfg
Material Metal