Mul-T-Lock HD1 / HD2 Grade 1 Hercular Deadbolt

  • HD1MTL4005KR

    $141.06 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Bright Brass
  • HD2DECMTL4009KD

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Different
  • HD1MTL4005M

    $155.71 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Bright Brass
    Keying
    Master Keyed
  • HD2MTL40026KR

    $202.40 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Satin Chrome
  • HD1DECMTL40026M

    $157.76 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Chrome
    Keying
    Master Keyed
  • HD2DECMTL4009KA

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Alike
  • HD1MTL40026KD

    $141.06 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Satin Chrome
    Keying
    Keyed Different
  • HD2MTL40026M

    $217.06 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Satin Chrome
    Keying
    Master Keyed
  • HD1DECMTL4009KD

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Different
  • HD2DECMTL4009KR

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
  • HD1MTL40026KA

    $141.06 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Satin Chrome
    Keying
    Keyed Alike
  • HD1MTL40026KR

    $141.06 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Satin Chrome
  • HD2MTL4009KD

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Different
  • HD1DECMTL4009KA

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Alike
  • HD2DECMTL4009M

    $238.91 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Master Keyed
  • HD1MTL40026M

    $155.71 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Satin Chrome
    Keying
    Master Keyed
  • HD2MTL4009KA

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Alike
  • HD1DECMTL4009KR

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
  • HD2DECMTL40013KD

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Different
  • HD1MTL4009KD

    $160.87 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Different
  • HD2MTL4009KR

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Antique Brass
  • HD1DECMTL4009M

    $177.57 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Master Keyed
  • HD2DECMTL40013KA

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Alike
  • HD1MTL4009KA

    $160.87 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Keyed Alike
  • HD2MTL4009M

    $236.87 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Master Keyed
  • HD1DECMTL40013KD

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Different
  • HD2DECMTL40013KR

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
  • HD1MTL4009KR

    $160.87 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Antique Brass
  • HD2MTL40013KD

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Different
  • HD1DECMTL40013KA

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Alike
  • HD2DECMTL40013M

    $238.91 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Master Keyed
  • HD1MTL4009M

    $175.52 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Antique Brass
    Keying
    Master Keyed
  • HD2MTL40013KA

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Alike
  • HD1DECMTL40013KR

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
  • HD2DECMTL40019KD

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Nickel
    Keying
    Keyed Different
  • HD1MTL40013KD

    $160.87 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Different
  • HD2MTL40013KR

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
  • HD1DECMTL40013M

    $177.57 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Master Keyed
  • HD2DECMTL40019KA

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Nickel
    Keying
    Keyed Alike
  • HD1MTL40013KA

    $160.87 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Keyed Alike
  • HD2MTL40013M

    $236.87 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Master Keyed
  • HD1DECMTL40019KD

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Nickel
    Keying
    Keyed Different
  • HD2DECMTL40019KR

    $224.26 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Nickel
  • HD1MTL40013KR

    $160.87 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
  • HD2MTL40019KD

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Satin Nickel
    Keying
    Keyed Different
  • HD1DECMTL40019KA

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Nickel
    Keying
    Keyed Alike
  • HD2DECMTL40019M

    $238.91 40% Off

    Function
    Double Cylinder w/ Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Nickel
    Keying
    Master Keyed
  • HD1MTL40013M

    $175.52 40% Off

    Function
    Single Cylinder w/ Thumb-Turn
    Keyway
    ClassicPro
    Finish
    Oil Rubbed Bronze
    Keying
    Master Keyed
  • HD2MTL40019KA

    $222.22 40% Off

    Function
    Double Cylinder
    Keyway
    ClassicPro
    Finish
    Satin Nickel
    Keying
    Keyed Alike
  • HD1DECMTL40019KR

    $162.92 40% Off

    Function
    Single Cylinder w/ Thumb-Turn & Decorative Rosette
    Keyway
    ClassicPro
    Finish
    Satin Nickel
Showing 101 - 150 of 336 items

Application

High Security deadbolt system for commercial and residential doors.

Operation

90˚ key rotation throws the bolt 1" towards the frame, interlocking two hardened ball bearings with the strike to increase jimmying resistance.

Options

  • Standard faceplate
  • Drive in (for beveled doors)
  • Double cylinder
  • Single cylinder
  • Captive key deadbolt

Materials

  • Ring and cylinder: solid brass
  • Bolt anti drilling ring: hardened steel
  • Strike: steel
  • Pins: nickel silver and stainless steel

Finishes

Standard
Nickel chrome matte; Nickel chrome; PVD
Special finishes
Antique brass; 10B
Lifetime finishes
US3; US26; US26D; US5A; US10B6

Additional features

  • Suitable for two backsets, no need for different parts
  • Supplied as standard with 1" (25 mm) throw
  • Thumbturn tail adjustable to door width
  • Thumbturn can be set horizontally or vertically in locked position

Cylinder mechanism

Mul-T-Lock's unique, high-precision pin tumbler system.

Keys

Reversible nickel silver key with plastic key head and colored insert. Also available in all nickel silver.

Cylinder platforms

Classic; Interactive®+

Cylinder options

  • Keyed different
  • Keyed alike
  • Master keyed
  • '3 IN 1' (changeable combination)

Standards

UL437; UL; Conforms to ANSI GRADE 1

Spacers required for doors less than 38 mm width.

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