Master Lock 21 Rekeyable Laminated Steel Padlock 1-3/4" (44mm)

  • 21 N KD LF W27

    $17.07 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N KD LJ WP4

    $24.55 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 KA WP4 4KEY

    $30.06 29% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 KAMK LF W81 NOKEY

    $20.91 29% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N MK W1 NOKEY

    $19.56 29% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 MK LN W81 4KEY

    $26.18 29% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 N MK LF WP4 4KEY

    $35.16 29% Off

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

    $16.59 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 KD WP4 NOKEY

    $19.28 29% Off

    Number of Key
    0 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
  • 21 KD LJ W1

    $16.56 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N KAMK LN W17 3KEY

    $26.37 29% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 LJ W15 1KEY

    $16.56 29% Off

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

    $18.53 29% Off

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

    $15.75 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Keyed Different
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 N KA W17 3KEY

    $18.05 29% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 N KAMK LF W1 1KEY

    $21.72 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 MK WP4 NOKEY

    $23.09 29% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 W17 NOKEY

    $14.94 29% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 N KA LF W81 3KEY

    $19.37 29% Off

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

    $21.72 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 KA LN W15 3KEY

    $21.75 29% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 KAMK LF W1 4KEY

    $23.83 29% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 MK LF W81 4KEY

    $22.99 29% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N MK WP4 3KEY

    $30.29 29% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 N MK LF W1

    $20.88 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N LJ W27 1KEY

    $17.37 29% Off

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

    $17.24 29% Off

    Number of Key
    3 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 MK LJ W17

    $20.37 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 LN W2K 3KEY

    $20.91 29% Off

    Number of Key
    3 keys per lock
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 N KA LJ W27 1KEY

    $18.21 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 KD LN W1 1KEY

    $19.45 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    4-Pin W1
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 KA LJ W81

    $17.40 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 KAMK LJ W2K NOKEY

    $21.21 29% Off

    Number of Key
    0 keys per lock
    Bump Stop
    Not Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 LF W15 NOKEY

    $16.26 29% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Not Included
    Keying
    Not Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N W81 1KEY

    $15.75 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 MK LN W81 NOKEY

    $23.26 29% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 N MK LF W2K 4KEY

    $23.80 29% Off

    Number of Key
    4 keys per lock
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N LN W81

    $20.26 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Included
    Keying
    Not Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 KD LF W27

    $16.26 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Keying
    Keyed Different
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N KAMK LF W2K 4KEY

    $24.64 29% Off

    Number of Key
    4 keys per lock
    Bump Stop
    Included
    Shackle Length
    1-1/2" Hardened Steel
    Chain
    Not Included
  • 21 KAMK LN W81

    $24.10 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W81
    Bump Stop
    Not Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
  • 21 N LJ WP4 1KEY

    $23.13 29% Off

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

    $18.21 29% Off

    Number of Key
    2 keys per lock
    Cylinder Type
    5-Pin W15
    Bump Stop
    Included
    Keying
    Keyed Alike
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 N KA LJ WP4 NOKEY

    $22.55 29% Off

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

    $20.40 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 KA WP4 NOKEY

    $20.12 29% Off

    Number of Key
    0 keys per lock
    Cylinder Type
    Edge Key Control 4-Pin
    Bump Stop
    Not Included
    Keying
    Keyed Alike
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 KA LF WP4 1KEY

    $22.86 29% 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
  • 21 KAMK W17 4KEY

    $22.51 29% Off

    Number of Key
    4 keys per lock
    Cylinder Type
    5-Pin W17
    Bump Stop
    Not Included
    Shackle Length
    15/16" Hardened Steel
    Chain
    Not Included
  • 21 N KAMK LJ W2K 4KEY

    $24.94 29% Off

    Number of Key
    4 keys per lock
    Bump Stop
    Included
    Shackle Length
    2-1/2" Hardened Steel
    Chain
    Not Included
  • 21 KAMK LN W27 1KEY

    $24.10 29% Off

    Number of Key
    1 key per lock
    Cylinder Type
    5-Pin W27
    Bump Stop
    Not Included
    Shackle Length
    5-3/4" Hardened Steel
    Chain
    Not Included
Showing 1 - 50 of 1324 items

Product Details

The Master Lock No. 21 Laminated Steel Padlock features a 1-3/4in (44mm) wide reinforced laminated steel lock body providing extra strength and a 15/16in (24mm) tall, 5/16in (8mm) diameter hardened steel shackle for excellent cut resistance. Dual locking levers provide extra pry resistance making it ideal for industrial applications and the rekeyable, 5-pin W27 cylinder helps prevent picking.

Features

  • Commercial grade padlock features superior protection from drilling and prying
  • 44mmin (44mm) wide laminated steel body for superior strength
  • 15/16in (24mm) tall, 5/16in (8mm) diameter hardened steel shackle for superior cut resistance
  • Dual locking levers provide extra pry resistance
  • Rekeyable, 5-pin W27 cylinder helps prevent picking

Specifications

Product Number
21
Description
Keyed Different, Commercial Boxed Packaging
List Price
$17.93
Shelf Pack Qty
6
Master Carton Qty
24
Body Width
1-3/4in (44mm)
Shackle Dimensions
A: 5/16in (8mm) B: 15/16in (24mm) C: 3/4in (19mm)
Color
Steel

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