Master Lock
Master Lock has been making padlocks and security hardware since 1921. Nearly every keyed lock it sells carries a code, and a replacement key can be cut from that code alone. Everything we stock for those locks is here.
The code is stamped on the lock itself, usually on the back of a padlock body or the face of a cabinet lock. Padlock keys cover the laminated, brass and disc padlock lines. Office furniture keys cover desks, files and cubicle storage. Key blanks suit locksmiths cutting their own. Everything else is cut from our general Master Lock keys.
Can't find what you need? Contact us by phone, email or live chat. Our US-based customer service team is here to help.
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Master Lock M3980 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3980 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3978 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3978 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3979 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3979 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3976 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3976 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3977 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3977 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3975 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3975 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3972 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3972 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3973 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3973 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3974 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3974 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3971 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3971 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3970 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3970 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3969 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3969 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3968 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3968 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3967 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3967 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3963 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3963 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3966 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3966 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3965 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3965 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3964 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3964 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3962 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3962 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3961 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3961 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3960 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3960 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3959 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3959 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3957 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3957 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3955 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3955 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3956 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3956 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3958 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3958 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3954 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3954 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3953 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3953 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3952 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3952 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3951 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3951 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3950 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3950 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3949 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3949 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3948 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3948 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3946 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3946 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3947 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3947 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3944 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3944 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3945 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3945 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3942 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3942 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Master Lock M3943 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3943 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3941 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3941 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3935 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3935 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3940 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3940 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3938 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3938 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3937 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3937 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3936 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3936 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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Master Lock M3939 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3939 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
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$8.87
Master Lock M3934 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3934 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
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Original price
$8.87
-
Original price
$8.87
Original price
$8.87
$8.87
-
$8.87
Current price
$8.87
Original price
$8.87
-
Original price
$8.87
Original price
$8.87
$8.87
-
$8.87
Current price
$8.87
Master Lock M3932 Padlock Replacement Key
Master LockPadlock Replacement Key with code M3932 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock! Compatible with Manu...
View full details
Original price
$8.87
-
Original price
$8.87
Original price
$8.87
$8.87
-
$8.87
Current price
$8.87