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

  • 6840 N KA NR WP4 4KEY LZ2

    6840 N KA NR WP4 4KEY LZ2

    $34.35 42% Off

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

  • 6840 N LJ CN NR W7000 1KEY LZ4

    6840 N LJ CN NR W7000 1KEY LZ4

    $28.65 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Included
    Keying
    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 N KA CN W1 LZ3

    6840 N KA CN W1 LZ3

    $26.61 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N KA CN W17 NOKEY LZ4

    6840 N KA CN W17 NOKEY LZ4

    $27.88 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 KAMK LF CN NR W27 4KEY

    6840 KAMK LF CN NR W27 4KEY

    $28.98 42% Off

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

  • 6840 CN WP4 3KEY LZ4

    6840 CN WP4 3KEY LZ4

    $35.25 42% Off

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

  • 6840 N KA CN NR W17 3KEY LZ2

    6840 N KA CN NR W17 3KEY LZ2

    $26.51 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KA CN NR W27 NOKEY LZ3

    6840 N KA CN NR W27 NOKEY LZ3

    $26.61 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 KA LF WP6 LZ2

    6840 KA LF WP6 LZ2

    $29.34 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KA LF W1 3KEY LZ3

    6840 N KA LF W1 3KEY LZ3

    $26.64 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N KA LF W15 NOKEY LZ4

    6840 N KA LF W15 NOKEY LZ4

    $26.73 42% Off

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

  • 6840 CN NR W27 4KEY LZ1

    6840 CN NR W27 4KEY LZ1

    $25.09 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Keying
    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 KD CN NR WP4 1KEY LZ3

    6840 KD CN NR WP4 1KEY LZ3

    $29.95 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not 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 MK LF NR W7000NISI NOKEY

    6840 MK LF NR W7000NISI NOKEY

    $23.97 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 MK LJ CN W27 3KEY LZ4

    6840 MK LJ CN W27 3KEY LZ4

    $32.27 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 MK LF NR WP4 3KEY

    6840 MK LF NR WP4 3KEY

    $32.08 42% Off

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

  • 6840 MK LJ CN W81 1KEY LZ4

    6840 MK LJ CN W81 1KEY LZ4

    $31.09 42% Off

    Number of Key
    1 key 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 4 areas
    More Details

  • 6840 CN NR WP6 1KEY LZ2

    6840 CN NR WP6 1KEY LZ2

    $28.66 42% Off

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

  • 6840 N KA LF NR W27 4KEY LZ2

    6840 N KA LF NR W27 4KEY LZ2

    $26.54 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 KA CN NR WP6 1KEY

    6840 KA CN NR WP6 1KEY

    $26.79 42% Off

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

  • 6840 N KD LF 1KEY

    6840 N KD LF 1KEY

    $20.95 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 N KA LF CN WP4 LZ1

    6840 N KA LF CN WP4 LZ1

    $31.26 42% Off

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

  • 6840 KD LF W81 LZ3

    6840 KD LF W81 LZ3

    $24.13 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N KA LF CN NR NOKEY LZ3

    6840 N KA LF CN NR NOKEY LZ3

    $28.01 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 KD LF W81 4KEY LZ3

    6840 KD LF W81 4KEY LZ3

    $26.49 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 MK LJ CN NR W7000 LZ3

    6840 MK LJ CN NR W7000 LZ3

    $29.81 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N KAMK NR W81 1KEY

    6840 N KAMK NR W81 1KEY

    $23.32 42% Off

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

  • 6840 KAMK LJ CN

    6840 KAMK LJ CN

    $26.67 42% Off

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

  • 6840 LF NR NOKEY

    6840 LF NR NOKEY

    $20.30 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 LF NR W15 LZ1

    6840 LF NR W15 LZ1

    $21.57 42% Off

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

  • 6840 KD LF NR WCS 3KEY LZ2

    6840 KD LF NR WCS 3KEY LZ2

    $20.86 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Lock Body Only
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 KD LF NR W1 LZ2

    6840 KD LF NR W1 LZ2

    $22.85 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 N KA LJ NR W1 LZ1

    6840 N KA LJ NR W1 LZ1

    $22.95 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KA LF CN NR W15 3KEY LZ4

    6840 KA LF CN NR W15 3KEY LZ4

    $29.81 42% Off

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

  • 6840 KA LJ WCS 1KEY LZ4

    6840 KA LJ WCS 1KEY LZ4

    $22.97 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Lock Body Only
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 N KA LJ CN NR W1 1KEY LZ2

    6840 N KA LJ CN NR W1 1KEY LZ2

    $26.77 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 KA LJ W1 NOKEY LZ1

    6840 KA LJ W1 NOKEY LZ1

    $22.30 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KAMK NR W7000NISI 3KEY LZ3

    6840 KAMK NR W7000NISI 3KEY LZ3

    $28.28 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    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 LF CN NR 1KEY LZ2

    6840 LF CN NR 1KEY LZ2

    $25.40 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 KA LJ NR 3KEY LZ4

    6840 KA LJ NR 3KEY LZ4

    $27.32 42% Off

    Number of Key
    3 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
    Laser engraved in 4 areas
    More Details

  • 6840 N MK NR WP4 NOKEY LZ4

    6840 N MK NR WP4 NOKEY LZ4

    $31.25 42% Off

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

  • 6840 N MK CN 3KEY LZ1

    6840 N MK CN 3KEY LZ1

    $27.64 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KA LJ NR W81 4KEY LZ4

    6840 KA LJ NR W81 4KEY LZ4

    $28.50 42% Off

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

  • 6840 N KAMK LF WP6 NOKEY

    6840 N KAMK LF WP6 NOKEY

    $28.23 42% Off

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

  • 6840 KAMK CN NR WCS 1KEY LZ4

    6840 KAMK CN NR WCS 1KEY LZ4

    $27.16 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Lock Body Only
    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 KAMK CN NR W1 NOKEY LZ3

    6840 KAMK CN NR W1 NOKEY LZ3

    $29.05 42% Off

    Number of Key
    0 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 3 areas
    More Details

  • 6840 N MK CN NR W27 LZ4

    6840 N MK CN NR W27 LZ4

    $30.29 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Shackle Length
    1-3/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 LJ W81 1KEY LZ3

    6840 LJ W81 1KEY LZ3

    $24.18 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 N MK CN NR WP4 NOKEY LZ1

    6840 N MK CN NR WP4 NOKEY LZ1

    $29.97 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    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 KAMK LF NR W7000NISI

    6840 N KAMK LF NR W7000NISI

    $25.30 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Included
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details
Showing 251 - 300 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