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

  • 6840 KA LF NR WCS 1KEY

    6840 KA LF NR WCS 1KEY

    $17.81 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Lock Body Only
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 KAMK W81 3KEY LZ3

    6840 KAMK W81 3KEY LZ3

    $27.69 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    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 KA LF NR W15 4KEY

    6840 KA LF NR W15 4KEY

    $23.34 42% Off

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

  • 6840 KA LF CN NR W7000NISI 4KEY LZ2

    6840 KA LF CN NR W7000NISI 4KEY LZ2

    $29.03 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    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 2 areas
    More Details

  • 6840 KAMK NR 3KEY LZ2

    6840 KAMK NR 3KEY LZ2

    $26.40 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    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 LF CN WCS 4KEY LZ2

    6840 LF CN WCS 4KEY LZ2

    $24.59 42% Off

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

  • 6840 KAMK LJ CN WP6 1KEY

    6840 KAMK LJ CN WP6 1KEY

    $31.34 42% Off

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

  • 6840 KAMK NR W15 NOKEY LZ1

    6840 KAMK NR W15 NOKEY LZ1

    $23.95 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    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 LF CN W7000 LZ4

    6840 LF CN W7000 LZ4

    $27.95 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Not Included
    Keying
    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 KA LJ CN NR W7000NISI 1KEY LZ4

    6840 N KA LJ CN NR W7000NISI 1KEY LZ4

    $29.92 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 KD LF CN W17 3KEY LZ3

    6840 KD LF CN W17 3KEY LZ3

    $27.86 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
    More Details

  • 6840 KA LJ WP4 NOKEY LZ4

    6840 KA LJ WP4 NOKEY LZ4

    $29.65 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    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 KAMK CN W17 NOKEY LZ2

    6840 KAMK CN W17 NOKEY LZ2

    $27.77 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W17
    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 KA LJ NR W1 4KEY LZ2

    6840 KA LJ NR W1 4KEY LZ2

    $25.94 42% Off

    Number of Key
    4 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-Removable Key
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 LF CN NR W81 4KEY LZ2

    6840 LF CN NR W81 4KEY LZ2

    $27.76 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W81
    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 KAMK CN W81 3KEY LZ3

    6840 KAMK CN W81 3KEY LZ3

    $30.24 42% Off

    Number of Key
    3 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 3 areas
    More Details

  • 6840 N MK NR W7000NISI 1KEY LZ1

    6840 N MK NR W7000NISI 1KEY LZ1

    $24.49 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-Removable Key
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KA LF CN WP4 1KEY

    6840 KA LF CN WP4 1KEY

    $28.19 42% Off

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

  • 6840 KAMK CN W7000 NOKEY LZ4

    6840 KAMK CN W7000 NOKEY LZ4

    $30.33 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    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 MK CN W17 3KEY LZ2

    6840 N MK CN W17 3KEY LZ2

    $28.91 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    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 KAMK LF NR 4KEY

    6840 N KAMK LF NR 4KEY

    $27.08 42% Off

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

  • 6840 KD LF CN NR W1 3KEY LZ1

    6840 KD LF CN NR W1 3KEY LZ1

    $25.30 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not 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 KD LF CN NR W17 NOKEY LZ4

    6840 KD LF CN NR W17 NOKEY LZ4

    $27.95 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 N MK LF W1 4KEY LZ2

    6840 N MK LF W1 4KEY LZ2

    $28.94 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    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 MK LF W7000NISI NOKEY LZ4

    6840 N MK LF W7000NISI NOKEY LZ4

    $29.72 42% Off

    Number of Key
    0 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-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 N KA LJ W7000

    6840 N KA LJ W7000

    $21.67 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 KA LJ CN WP4 1KEY LZ2

    6840 KA LJ CN WP4 1KEY LZ2

    $30.79 42% Off

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

  • 6840 N KA LJ WP6 4KEY

    6840 N KA LJ WP6 4KEY

    $33.25 42% Off

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

  • 6840 KA LJ CN NR WCS LZ1

    6840 KA LJ CN NR WCS LZ1

    $21.69 42% Off

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

  • 6840 KAMK LF W27 4KEY LZ4

    6840 KAMK LF W27 4KEY LZ4

    $31.54 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
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
    More Details

  • 6840 LJ CN 4KEY LZ1

    6840 LJ CN 4KEY LZ1

    $26.54 42% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KAMK LF NR NOKEY LZ1

    6840 KAMK LF NR NOKEY LZ1

    $25.34 42% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    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 KA LJ WP6 3KEY

    6840 KA LJ WP6 3KEY

    $29.72 42% Off

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

  • 6840 N MK LJ W7000NISI 3KEY LZ1

    6840 N MK LJ W7000NISI 3KEY LZ1

    $27.13 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Included
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KA LJ NR W1

    6840 KA LJ NR W1

    $21.03 42% Off

    Number of Key
    2 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-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 KAMK LF NR WP4 1KEY LZ3

    6840 KAMK LF NR WP4 1KEY LZ3

    $32.57 42% Off

    Number of Key
    1 key 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
    Laser engraved in 3 areas
    More Details

  • 6840 N MK LJ NR W27 3KEY LZ3

    6840 N MK LJ NR W27 3KEY LZ3

    $29.10 42% Off

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

  • 6840 KD LJ NR WCS 4KEY LZ2

    6840 KD LJ NR WCS 4KEY LZ2

    $22.10 42% Off

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

  • 6840 LJ CN NR W7000NISI 3KEY LZ2

    6840 LJ CN NR W7000NISI 3KEY LZ2

    $27.22 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Not Included
    Keying
    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 MK LJ CN W27 3KEY LZ1

    6840 N MK LJ CN W27 3KEY LZ1

    $29.08 42% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Shackle Length
    2-7/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
    More Details

  • 6840 KD LJ NR W27 NOKEY LZ3

    6840 KD LJ NR W27 NOKEY LZ3

    $24.18 42% Off

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

  • 6840 N MK LJ CN WP6 LZ4

    6840 N MK LJ CN WP6 LZ4

    $37.55 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    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 NR W1 1KEY LZ3

    6840 MK NR W1 1KEY LZ3

    $25.82 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    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 KAMK LF CN WP4 LZ2

    6840 KAMK LF CN WP4 LZ2

    $34.98 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
    More Details

  • 6840 MK NR W15 LZ1

    6840 MK NR W15 LZ1

    $23.26 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    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 N CN NR W81 1KEY

    6840 N CN NR W81 1KEY

    $22.10 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
    Sash Chain
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details

  • 6840 N LF W1 1KEY

    6840 N LF W1 1KEY

    $20.95 42% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    1-9/16" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
    More Details

  • 6840 N KAMK NR 4KEY LZ1

    6840 N KAMK NR 4KEY LZ1

    $26.96 42% Off

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

  • 6840 N KAMK LJ CN W7000 NOKEY

    6840 N KAMK LJ CN W7000 NOKEY

    $27.32 42% Off

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

  • 6840 LJ NR

    6840 LJ NR

    $20.35 42% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    2-7/16" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
    More Details
Showing 151 - 200 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