Master Lock and American Lock Padlocks

MASTER LOCK  & AMERICAN LOCK

Master Lock is recognized around the world as the authentic, enduring name in padlocks and security products. Since founded in 1921, Master Lock has worked hard to earn and maintain the trust of customers by delivering on their promise of strength and quality and by continually setting new standards for lock design, application and performance.

American Master Group

Master Model No. 6271

The Master Lock No. 6271 ProSeries® Hidden Shackle Padlock 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.

6271

Master 6320 Series
The Master Lock 632o ProSeries® Shrouded Padlocks features a heavy steel body that withstands physical attack and a hardened boron alloy shackle for superior cut resistance. Ideal for transportation and industrial applications, the iron shroud protects the shackle from bolt cutters and a dual ball locking mechanism resists pulling and prying.

6321

Master 6120 Series
The Master Lock No. 6120 ProSeries® Weather Tough® Covered Laminated Padlock features a heavy steel body to withstand physical attack and a hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security.

6121

Master 6840 Series
The Master Lock No. 6840 ProSeries® Solid Body Padlock features solid brass body to provide extra resistance in caustic, corrosive environments and a hardened boron alloy shackle for superior cut resistance. Designed for commercial/industrial applications, a dual ball locking mechanism resists pulling and prying.

6840

American 2010 Flat Back Puck Lock
The American Lock No. A2010 Hidden Shackle Padlock features a 2-7/8in (73mm) wide case hardened solid steel lock body to withstand forcible attacks. The 6-pin tumbler, rekeyable cylinder provides superior pick resistance and tens of thousands of key changes. Flat back design is tapped and threaded to allow for attachment to either high security has A801 or A802.

A2010

American 700 & 5200 Series Solid Steel Padlocks
The American Lock A700 and A5200 Solid Steel Padlocks feature case hardened solid steel bodies with hardened boron alloy shackles for superior cut resistance. A dual ball bearing locking mechanism resists pulling and prying.

2_American Steel

American 5400 Series Solid Stainless Steel Padlocks
The American Lock No. A5400 Solid Stainless Steel padlocks feature solid stainless steel bodies and stainless steel shackles with dual ball locking for strong resistance to cutting, sawing and prying. The stainless steel body, shackle, ball bearings, springs, trap door and brass cylinder and actuator exceed ASTM Grade 6 requirements for padlock corrosion resistance.

A5400

American A5300 Shrouded Shackle Steel Padlock
The American Lock No. A5300 Shrouded Solid Steel padlock features a 1-3/4in (44mm) wide case hardened solid steel shrouded body with a 1-1/8in (29mm) tall, 3/8in (10mm) diameter hardened boron alloy shackle for superior cut resistance. The shrouded shackle defies cutting and sawing and a dual ball bearing locking mechanism resists pulling and prying.

A5300

Hasps & Accessories (see downloads for details)

  • A895 – Steel Throw Bolt
  • A800 – Hidden Shackle Padlock Hasp
  • A801 – Hidden Shackle Padlock Hasp (Fastens to Lock)
  • A802 – Hidden Shackle Padlock Trailer Hasp (Fastens to Trailer)
  • A535 – Centered Hole Hasp
  • A825 – Straight Bar Hasp
  • A850 – 90 Degree Hasp
  • A875 – Single Hinge Hasp
  • A885 – Double Hinge Hasp
American Hasps