Master Lock No. 6321

Shrouded Laminated Steel Rekeyable Pin Tumbler Padlock


Lock it up TOUGH. The Master Lock 6321 Shrouded Rekeyable Padlock provides simple but tough security for gates, moving trucks, and more. Built to withstand physical attack and any weather you can throw at it! Features a high security, rekeyable 5-pin cylinder.

SKU: 6321-KD
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For more information or ordering assistance, please call our Cabinet Project Specialists at 877-439-5377 ext 9002

  • Iron shroud protects shackle from bolt cutters
  • Standard model keyed different
  • ProSeries® Padlocks are designed for Commercial/Industrial applications
  • 2-1/8in (54mm) heavy steel body withstands physical attack
  • 3/4in (19mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
  • Dual ball locking mechanism resists pulling and prying
  • High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Best Used For

  • Industrial, storefront and business gates
  • Manufacturing environments
  • Trailers, vans and moving trucks
  • Truck doors

2 1/8 in. (54mm) W, A: 5/16 in. (8mm) B: 3/4 in. (19mm) C: 7/8 in. (22mm)


Master Lock


Master Lock





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