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Master Lock 6840 Solid Brass Pro Series Rekeyable Padlocks 1-3/4" (44mm)

  • 6840 N MK LF CN NR WP6 4KEY LZ1

    6840 N MK LF CN NR WP6 4KEY LZ1

    $39.42 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Included
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 N KA LJ CN W27

    6840 N KA LJ CN W27

    $24.22 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 KA LJ NR

    6840 KA LJ NR

    $21.03 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 N KA LJ CN WP6

    6840 N KA LJ CN WP6

    $30.04 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 N CN W27 4KEY

    6840 N CN W27 4KEY

    $24.46 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 KAMK LF CN W15 3KEY LZ4

    6840 KAMK LF CN W15 3KEY LZ4

    $32.91 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 N KD W1 3KEY LZ3

    6840 N KD W1 3KEY LZ3

    $24.56 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N KAMK LJ NR W1

    6840 N KAMK LJ NR W1

    $24.77 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 KAMK LF CN W27 NOKEY LZ1

    6840 KAMK LF CN W27 NOKEY LZ1

    $27.89 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KD LJ CN 4KEY LZ2

    6840 KD LJ CN 4KEY LZ2

    $27.81 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KD NR W7000 NOKEY LZ2

    6840 N KD NR W7000 NOKEY LZ2

    $22.10 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KAMK W7000NISI 1KEY LZ4

    6840 N KAMK W7000NISI 1KEY LZ4

    $29.01 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Included
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 KD LJ CN W1 NOKEY LZ4

    6840 KD LJ CN W1 NOKEY LZ4

    $28.01 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 N KAMK LJ CN NR W1 1KEY

    6840 N KAMK LJ CN NR W1 1KEY

    $27.32 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 N KD CN W81 3KEY LZ4

    6840 N KD CN W81 3KEY LZ4

    $28.39 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 MK CN W81 LZ2

    6840 MK CN W81 LZ2

    $27.08 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 MK CN WP6 3KEY LZ2

    6840 MK CN WP6 3KEY LZ2

    $35.78 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KD CN NR WP4 1KEY LZ3

    6840 N KD CN NR WP4 1KEY LZ3

    $30.60 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N LF NR W27 NOKEY

    6840 N LF NR W27 NOKEY

    $20.95 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 MK CN NR W1 3KEY LZ1

    6840 MK CN NR W1 3KEY LZ1

    $26.99 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 N KD CN NR WP6 4KEY LZ1

    6840 N KD CN NR WP6 4KEY LZ1

    $34.94 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 N KD LF W17 1KEY LZ1

    6840 N KD LF W17 1KEY LZ1

    $22.22 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 MK CN NR W27 3KEY LZ4

    6840 MK CN NR W27 3KEY LZ4

    $30.82 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 MK CN NR W81 LZ4

    6840 MK CN NR W81 LZ4

    $29.64 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 KD LJ CN NR W81 NOKEY LZ4

    6840 KD LJ CN NR W81 NOKEY LZ4

    $28.01 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 N KAMK LF CN W7000NISI 4KEY LZ4

    6840 N KAMK LF CN W7000NISI 4KEY LZ4

    $35.33 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Included
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 LJ CN W1 4KEY

    6840 LJ CN W1 4KEY

    $25.26 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 NR WP4 1KEY

    6840 NR WP4 1KEY

    $23.57 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 KD LJ CN NR WP6 LZ1

    6840 KD LJ CN NR WP6 LZ1

    $29.99 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 MK LF W15 NOKEY LZ2

    6840 MK LF W15 NOKEY LZ2

    $25.93 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KAMK LJ WP4 NOKEY LZ4

    6840 N KAMK LJ WP4 NOKEY LZ4

    $33.39 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 N LF CN WP4 1KEY

    6840 N LF CN WP4 1KEY

    $28.16 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 KA W15 1KEY LZ3

    6840 KA W15 1KEY LZ3

    $23.41 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 MK WP4 3KEY

    6840 MK WP4 3KEY

    $30.68 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 N KAMK LJ NR W17 4KEY LZ4

    6840 N KAMK LJ NR W17 4KEY LZ4

    $32.24 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 KAMK LJ CN W81 LZ2

    6840 KAMK LJ CN W81 LZ2

    $29.22 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KD LF CN NR W15 1KEY LZ1

    6840 N KD LF CN NR W15 1KEY LZ1

    $24.77 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 CN W15 4KEY

    6840 CN W15 4KEY

    $23.81 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 KAMK LJ CN NR 3KEY LZ2

    6840 KAMK LJ CN NR 3KEY LZ2

    $30.40 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N W27 NOKEY LZ3

    6840 N W27 NOKEY LZ3

    $23.38 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 KD W17

    6840 KD W17

    $18.90 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 N NR 1KEY LZ2

    6840 N NR 1KEY LZ2

    $22.10 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N NR W81 1KEY LZ3

    6840 N NR W81 1KEY LZ3

    $23.38 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N NR WP4 LZ1

    6840 N NR WP4 LZ1

    $26.64 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KAMK LJ CN NR W7000NISI LZ4

    6840 KAMK LJ CN NR W7000NISI LZ4

    $32.36 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 KD W15 LZ3

    6840 KD W15 LZ3

    $22.73 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 KD CN NR WP6 4KEY

    6840 KD CN NR WP6 4KEY

    $33.02 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 KAMK LF WP6 3KEY

    6840 KAMK LF WP6 3KEY

    $32.76 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 KD LF NR W27 NOKEY

    6840 KD LF NR W27 NOKEY

    $20.30 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 KA NR WP4 4KEY LZ1

    6840 KA NR WP4 4KEY LZ1

    $32.42 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    1-3/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details
Showing 51 - 100 of 31560 items

Product Features

Best used near water, or in other applications that take advantage of brass's corrosion-resistant properties. Switch out the cylinder almost instantly thanks to Master Lock's removable cylinder design and save money on costly lock replacements.

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  • Dimensions
    • Body Width: 1-3/4" (44mm)
    • Shackle Diameter: 3/8" (9mm)
    • Vertical Clearance: 1-3/16", 1-9/16", 2-7/16", 5-5/8" (30mm, 40mm, 61mm, 143mm)
    • Horizontal Clearance = 29/32" (23mm)

All orders must be in increments of 6