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Bright brass double cylinder deadbolt with keyways on both sides

Mul-T-Lock

Mul-T-Lock HD2-05 Brass Hercular Double Cylinder Deadbolt 006 Keyway

SKU CH-0MVS-2RTZ4

A high-security double-cylinder deadbolt with keyed entry on both sides, ANSI Grade 1 certification, UL437 drill and pick resistance, and adjustable backset for residential or commercial doors

  • Security gradeHeavy Duty
  • Grade1
  • Lock keyingKeyed Different
  • Surface finishBright Brass
  • Sold asBox
  • Product typeDeadbolts
  • ANSI Grade 1 certification confirms heavy-duty security
  • UL437 cylinder resists drilling and picking attacks
  • Bump-proof cylinder blocks lock-bumping attempts
  • Adjustable backset fits 2-3/8" to 2-3/4" door preparations
  • UL fire-rated latch approved for fire-door use

High-Security Double Cylinder Deadbolt

The Mul-T-Lock HD2-05 is a high-security deadbolt system designed for residential and commercial doors. It features a double cylinder mechanism requiring a key on both the interior and exterior sides. The lock carries ANSI Grade 1 certification and UL437 drill and pick resistance for heavy-duty protection.

Verify Door Prep and Egress Requirements

Confirm your door thickness and bore hole dimensions match standard deadbolt specifications before ordering. The adjustable backset fits recesses between 2 3/8 and 2 3/4 inches. Ensure local building codes permit double-cylinder locks on your intended exit doors due to keyed egress restrictions.

Solid Brass Construction With Patented Key Control

The cylinder and housing are composed of solid brass and steel with a bright brass finish. A patented key control system prevents unauthorised duplication using the included key ID card. The UL fire-rated latch and resistance to bumping, drilling, and prying support daily security reliability.

How it compares

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

Price $196.99
Pricier than about 82% of the 2,145 comparable items (median $55.99).

Specifications

Product
Product typeDeadbolts
Size & build
Surface finishBright Brass
More details
Security gradeHeavy Duty
Grade1
Lock keyingKeyed Different

Questions about this item

What comes in the box and do I need to buy anything else to install it?

The box contains the double cylinder deadbolt, two keys and a key ID card. Mounting hardware is included so no extra parts are required for a standard door prep.

Which backset should I choose for my door?

The deadbolt has an adjustable backset that covers 2-3/8 in to 2-3/4 in, so it fits either common residential door recess without selecting a separate version.

What does the ANSI Grade 1 rating mean for daily security?

ANSI Grade 1 is the highest residential grade, certifying the lock meets the toughest cycle, strength and forced-entry tests for heavy-duty use.

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