Master Lock 6321 Solid Iron Shrouded High Security Pro Series Rekeyable Padlock 2-1/8" (54mm)

  • 6321 NR 1KEY LZ1

    $27.06 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 1 area
  • 6321 MK NR W27 NOKEY

    $28.91 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 N KD W27 3KEY LZ2

    $30.26 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N KD NR W1 3KEY LZ4

    $32.88 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
  • 6321 KAMK NR WP4 NOKEY

    $33.22 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 N KAMK NR 4KEY

    $32.72 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 N KAMK NR W15 1KEY

    $30.29 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 N KAMK NR W15 4KEY

    $32.72 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 N MK W15 4KEY LZ4

    $37.25 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
  • 6321 N MK NR W1 3KEY LZ3

    $34.73 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
  • 6321 N MK NR W81 NOKEY LZ2

    $32.20 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N KD WP4

    $32.38 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
  • 6321 N KAMK WP4 1KEY LZ4

    $40.31 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
  • 6321 KA NR 3KEY LZ4

    $32.92 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
  • 6321 MK LZ2

    $31.53 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N NR W1 LZ3

    $30.35 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
  • 6321 MK NR W1 1KEY LZ4

    $34.15 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
  • 6321 MK NR W27 LZ2

    $31.53 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
  • 6321 KAMK WP6 LZ2

    $38.20 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
  • 6321 KA NR W1 3KEY

    $27.68 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 NR W7000NISI NOKEY LZ3

    $30.28 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Not Included
    Keying
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 3 areas
  • 6321 N KD W81 LZ2

    $29.04 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N KD NR W7000NISI LZ2

    $29.64 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N KA W27 1KEY LZ4

    $32.37 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Alike
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
  • 6321 N NOKEY

    $26.42 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Keying
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
  • 6321 N KD W7000NISI 1KEY

    $27.02 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
  • 6321 N KD NR W1 1KEY

    $26.42 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 KD W15 4KEY LZ3

    $32.11 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
  • 6321 KD WP6 LZ4

    $36.95 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
  • 6321 KD NR W15 LZ2

    $28.37 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
  • 6321 KA W1 3KEY LZ2

    $30.30 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N KD NR W7000 NOKEY

    $26.42 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 KA W7000 LZ3

    $30.39 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
  • 6321 KA NR W7000NISI 1KEY LZ4

    $32.30 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
  • 6321 MK WP4 4KEY LZ1

    $42.08 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 1 area
  • 6321 MK NR W81 1KEY LZ4

    $34.15 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
  • 6321 KAMK W1 NOKEY LZ4

    $34.86 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
  • 6321 KAMK WP6 4KEY LZ4

    $46.72 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
  • 6321 KAMK NR W81 1KEY LZ4

    $34.86 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
  • 6321 W27 LZ2

    $28.37 41% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Keying
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
  • 6321 W7000NISI 1KEY LZ4

    $31.59 41% Off

    Number of Key
    1 key per lock
    Cylinder Type
    6-Pin W7000 with Nickel Silver Key
    Bump Stop
    Not Included
    Keying
    Not Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
  • 6321 NR WCS 4KEY LZ2

    $27.55 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Lock Body Only
    Bump Stop
    Not Included
    Keying
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
  • 6321 MK NR W17 NOKEY

    $28.91 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 N KD W7000 4KEY LZ3

    $32.78 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Included
    Keying
    Keyed Different
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 3 areas
  • 6321 KAMK NR W81 NOKEY

    $29.62 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Function
    Non-Removable Key
    Custom Marking
    Not Included
  • 6321 N KAMK WP6 NOKEY

    $33.89 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 6-Pin
    Bump Stop
    Included
    Function
    Non-Key Retaining
    Custom Marking
    Not Included
  • 6321 N KA NR 3KEY LZ2

    $30.97 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Keying
    Keyed Alike
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N KA NR NOKEY LZ4

    $32.37 41% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W6000
    Bump Stop
    Included
    Keying
    Keyed Alike
    Function
    Non-Removable Key
    Custom Marking
    Laser engraved in 4 areas
  • 6321 N MK W7000 3KEY LZ2

    $33.42 41% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 2 areas
  • 6321 N KAMK W7000 4KEY LZ4

    $37.96 41% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    6-Pin W7000
    Bump Stop
    Included
    Function
    Non-Key Retaining
    Custom Marking
    Laser engraved in 4 areas
Showing 1 - 50 of 5260 items

Product Features

This shrouded, commercial grade padlock is protected from cutting attacks by the solid iron shroud. The heavy steel body and hardened boron shackle protect against physical attack as well. The removable cylinder allows the user to rekey the lock in seconds, either by swapping out the cylinder or by repinning the original.

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  • Shackle Dimensions:
    • Body Width: 2-1/8" (54mm)
    • Shackle Diameter: 5/16" (8mm)
    • Vertical Clearance: 3/4" (19mm)
    • Horizontal Clearance: 7/8" (22mm)

All orders must be in increments of 6