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Bright brass mechanical pushbutton door lock with tubular deadbolt, rectangular escutcheon, numbered keypad and interior knob

Simplex

Simplex 7108-03 Bright Brass Mechanical Pushbutton Door Lock 2-3/8" Backset 1" Deadbolt No Key

SKU CH-PZA7-X760H MPN 7108-03

Mechanical pushbutton lock with a 1" tubular deadbolt and 2-3/8" backset, no key required

  • Backset distance2-3/8 in
  • Lock keyingKeyed Different
  • Surface finishBright Brass
  • Sold asBox
  • Keyless entry with mechanical pushbutton code
  • Bright brass US3 finish resists corrosion
  • Fits doors 35 mm to 57 mm thick
  • 60 mm backset suits standard prep
  • Force-resistant cast front housing with clutch

Mechanical Pushbutton Combination Lock

The Simplex 7108-03 is a mechanical pushbutton combination lock finished in bright brass. It provides keyless entry for residential or light-commercial doors without batteries or wiring. A single access code is programmed at the keypad and the deadbolt must be manually relocked after each use.

Passive Operation and Force-Resistant Housing

The all-metal cast front housing is force resistant and the clutch-protected exterior thumbturn absorbs abuse without electronic failure. Because the lock is entirely mechanical it draws no power, produces no noise and requires no battery replacements over its service life.

2-3/8" Backset With 1" Tubular Deadbolt

The 2-3/8" backset and 1" tubular deadbolt determine whether the lock aligns with existing door prep. It fits wood or metal doors 1-3/8" to 2-1/4" thick and includes a flat deadbolt strike plate. Not for buyers who need a keyed entry option or automatic relocking.

How it compares

Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.

Price $280.99
Pricier than about 90% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameSimplex
Model name7108-03
Size & build
Surface finishBright Brass
Backset distance2-3/8 in
More details
Lock keyingKeyed Different

Questions about this item

How do I install the 7108 lock on a 35 mm thick door and what step is often missed?

Fit the tubular deadbolt with its 25 mm throw into the 60 mm backset hole, secure the cast front housing, then program the single access code on the keypad while the lock stays on the door — skipping the code-set step leaves the lock inoperable.

What part will need replacement after years of heavy use?

The clutch-protected exterior thumbturn and the internal latch mechanism are the wear items; the all-metal cast housing and mechanical pushbutton assembly have no batteries or electronics to replace.

What limits how often the 7108 can be cycled continuously?

The mechanical pushbutton linkage and clutch-protected thumbturn generate friction heat during rapid cycles; the lock has no thermal management, so sustained high-frequency operation will cause binding before any other component fails.

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