Master Lock 81 Non-Rekeyable Laminated Steel Pin Tumbler Padlock 1-3/4" (44mm)

  • 81 N MK LJ WP4 1KEY

    $23.33 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KA W15 3KEY

    $14.72 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 KA LF W17 1KEY

    $14.60 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KA LJ W27

    $14.86 37% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 MK WP4 3KEY

    $25.58 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N KD LJ W17

    $14.83 37% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N MK LJ W2K

    $18.22 37% Off

    Number of Key
    2 keys per lock
    Bump Stop
    Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KA LN W17 1KEY

    $17.42 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 N KA LJ 3KEY

    $16.88 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 MK W17 NOKEY

    $16.06 37% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N KAMK LJ WP4 4KEY

    $31.64 37% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N MK LF WP4 3KEY

    $27.48 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KA W27 1KEY

    $13.42 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 MK LJ 1KEY

    $17.50 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 MK LN W2K 4KEY

    $22.66 37% Off

    Number of Key
    4 keys per lock
    Bump Stop
    Not Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 KD WP4

    $19.04 37% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N KD LF 1KEY

    $14.57 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N KA LN WP4 3KEY

    $27.66 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 N KAMK LJ 1KEY

    $18.97 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N KA LN W15

    $18.14 37% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 N MK LN W27 1KEY

    $20.78 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 KD LF WP4 3KEY

    $23.37 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N MK W27 4KEY

    $19.38 37% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N MK LF W15

    $17.96 37% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KD LF WP4 4KEY

    $26.52 37% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N KA W15 1KEY

    $14.14 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N KA WP4 NOKEY

    $17.99 37% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N KD LJ W17 1KEY

    $14.83 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KAMK LJ W17 4KEY

    $20.85 37% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N KAMK WP4 1KEY

    $22.64 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N KAMK LN W27 NOKEY

    $21.53 37% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 MK LJ WP4 3KEY

    $27.02 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N MK LF 3KEY

    $19.26 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N MK LN W17

    $20.78 37% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 KA LN 3KEY

    $18.72 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 KAMK LF WP4 3KEY

    $27.51 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KAMK LJ WP4 3KEY

    $27.77 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N KA LJ W17 1KEY

    $15.58 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N MK LJ W15 3KEY

    $19.52 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KA LF WP4 1KEY

    $19.71 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KD WP4 1KEY

    $17.78 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N MK W17 1KEY

    $16.78 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 MK LF W27 1KEY

    $17.24 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 KD LN WP4 3KEY

    $26.19 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 81 N KA LF W27 4KEY

    $17.92 37% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N KAMK W17 4KEY

    $20.13 37% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 KAMK W17 1KEY

    $16.81 37% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 81 N KD LF 3KEY

    $15.87 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N KD LJ W17 3KEY

    $16.13 37% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 81 N MK LJ W17 NOKEY

    $18.22 37% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
Showing 1 - 50 of 848 items

Product Features

  • Commercial grade padlock features superior protection from drilling and prying
  • 1-3/4" (44mm) wide laminated steel body for superior strength
  • 15/16" (24mm) tall, 5/16" (8mm) diameter hardened steel shackle for superior cut resistance
  • Dual locking levers provide extra pry resistance
  • Non-rekeyable, 5-pin W81 cylinder helps prevent picking

Dimensions

    • 1-3/4" (44mm) wide laminated steel body with hardened steel shackle
    • 5-pin W81 Cylinder
    • Shackle Dimensions
      • Shackle Width: 5/16" (24mm)
      • Vertical Clearance: 15/16" (24mm)
      • Horizontal Clearance: 3/4" (19mm)
    • All orders must be in increments of 6

    Lockout-tagout (LO/TO) safety procedures, as defined by Occupational Safety and Health Administration (OSHA), require that lockout devices be durable and standardized. Lockout devices use color, warning labels or tags, and a physical barrier to temporarily prohibit machine operation or power activation, and reduce accidents, during maintenance or repair. This padlock is just one of many items needed to properly execute a lockout.