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Satin chrome single cylinder deadbolt with thumb turn and keyway visible

Mul-T-Lock

Mul-T-Lock HD1-26 Satin Chrome Hercular Single Cylinder Deadbolt with Thumb Turn 006 Keyway

SKU CH-SNX2-2J55R

High-security single-cylinder deadbolt with thumb turn, adjustable backset, ANSI Grade 1 certification and UL437 drill-resistant cylinder

  • FinishSatin Chrome
  • Selling UnitBox
  • TypeDeadbolts
  • Security LevelHeavy Duty
  • Grade1
  • KeyingKeyed Different
  • ANSI Grade 1 certification ensures top-tier residential and commercial security
  • UL 437 listed cylinder resists drilling and picking attacks
  • Adjustable backset fits 2-3/8 to 2-3/4 inch door preparations
  • Bump-proof high-security cylinder with patented key control system
  • Solid brass and steel construction with satin chrome finish

High-Security Deadbolt for Residential

The Mul-T-Lock HD1-26 is a single-cylinder deadbolt with a satin chrome finish, designed for high-security residential and commercial entry points. It features a Hercular mechanism operated by a key on the exterior and a thumb turn on the interior. The lock carries ANSI Grade 1 certification and UL 437 listing for drill and pick resistance, meeting heavy-duty security requirements.

Adjustable Backset Fits Standard Door Preparations

The deadbolt includes an adjustable backset covering 2-3/8 to 2-3/4 inch recesses, allowing it to fit common door preparations without modification. It is constructed from solid brass and steel components and is UL listed for use on fire-rated doors. The package supplies two keys and a key ID card that supports the manufacturer’s patented key control system for restricted duplication.

Mechanical Operation Requires No Power or Wiring

As a purely mechanical lock, it draws no power and produces no electronic noise during operation. The bump-proof cylinder resists drilling, picking, wrenching, hammering, and prying attacks through physical hardening rather than active systems. Normal use consists of manual key rotation or thumb-turn actuation, with thermal performance irrelevant to its function.

Highlights

  • ANSI Grade 1 certification ensures top-tier residential and commercial security
  • UL 437 listed cylinder resists drilling and picking attacks
  • Adjustable backset fits 2-3/8 to 2-3/4 inch door preparations
  • Bump-proof high-security cylinder with patented key control system
  • Solid brass and steel construction with satin chrome finish

Specifications

FinishSatin Chrome
Selling UnitBox
TypeDeadbolts
Security LevelHeavy Duty
Grade1
KeyingKeyed Different

Questions about this item

How does the ANSI Grade 1 rating hold up under constant locking and unlocking?

The ANSI Grade 1 certification means the deadbolt meets the highest residential and commercial durability standard, tested for heavy‑duty cycle life and strength.

Does the solid brass and steel construction run hot or make noise during all‑day operation?

Mechanical deadbolts have no motor or electronics, so they produce no heat and only the normal sound of the bolt throwing and the thumbturn rotating.

What door thickness and backset must the opening already have for this lock to fit?

The adjustable backset fits standard door recesses of 2 3/8 to 2 3/4 inches; the cylinder accepts the 006 keyway and the package includes two keys and a key ID card.

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