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The Master Lock No. 6271 ProSeries® Hidden Shackle Padlock, Keyed Alike – multiple locks open with the same key – features a 2-7/8in (73mm) wide reinforced die cast body that withstands forcible attacks and a 3/8in (9mm) diameter boron alloy shackle. The Lock body conceals the shackle, defeating attempts to pry and cut. Ideal for transportation, vending & industrial applications, the high security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick.

  • Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W7000 cylinder
  • ProSeries® Padlocks are designed for Commercial/Industrial applications
  • Lock body conceals shackle - defeats attempts to pry and cut
  • 2-7/8in (73mm) wide reinforced die cast body withstands forcible attacks
  • 3/8in (9mm) diameter boron alloy shackle
  • High security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick
  • Replaces A2000 and A2001 locks
  • ProSeries® Padlocks are designed for Commercial/Industrial applications

Product Specifications

Keying Keyed Alike
Engravable No
Body Width 2-7/8
Body Width (Metric) 73
Shackle Diameter (A) 3/8
Shackle Diameter (A) (Metric) 9
Shackle Height (B) 19/32in
Shackle Width (C) 1-23/32