Shop Old Master Locks

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$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Black - Master Lock - Pack Of 6
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Black - Master Lock - Pack Of 6
Uline
$44.00
Aluminum Lockout Padlock - Keyed Different, Red - Master Lock - Qty Of 2
Uline
$44.00
Aluminum Lockout Padlock - Keyed Different, Red - Master Lock - Qty Of 2
Uline
$1,137.50
Master Lock 1630STK Built-In Combo Lock 1, 2, 3 Tier Locker W/1 Control Key & Chart Price Each - Pkg Qty 50
Global Industrial
$1,137.50
Master Lock 1630STK Built-In Combo Lock 1, 2, 3 Tier Locker W/1 Control Key & Chart Price Each - Pkg Qty 50
Global Industrial
$76.39
Master Lock SLCHPG10B Heavy Duty Lever Style, Grade 2 Commercial Passage Door Lock, Oil Rubbed Bronze Finish
Amazon.com
85
Free shipping
$76.39
Master Lock SLCHPG10B Heavy Duty Lever Style, Grade 2 Commercial Passage Door Lock, Oil Rubbed Bronze Finish
Amazon.com
$367.20
Master Lock No. 500 Warded Laminated Padlocks - Pkg Qty 72
Global Industrial
$367.20
Master Lock No. 500 Warded Laminated Padlocks - Pkg Qty 72
Global Industrial
$31.67
Master Lock 2-Pack Round Steel Padlocks With Shielded Shackle - 2 3/4In.W, Model Number 40T
Amazon.com
3K+
$31.67
Master Lock 2-Pack Round Steel Padlocks With Shielded Shackle - 2 3/4In.W, Model Number 40T
Amazon.com
$22.04
Master Lock 40KADPF Discus Padlock 1St-In-Padlocks
1st-in-Padlocks
218
$22.04
Master Lock 40KADPF Discus Padlock 1St-In-Padlocks
1st-in-Padlocks
$21.75
Master Lock No. 1655MD Built-In Combo Lock For Horizontal Latch Box Locker - Metal Dial - LH
Global Industrial
$21.75
Master Lock No. 1655MD Built-In Combo Lock For Horizontal Latch Box Locker - Metal Dial - LH
Global Industrial
$37.69
Restorers 5 Inch Iron Black Rustic Padlock | Black | Trunk Components
Van Dykes
$37.69
Restorers 5 Inch Iron Black Rustic Padlock | Black | Trunk Components
Van Dykes
$39.41
Master Lock 6271 Pro Series Hidden Shackle Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key / Bumpstop Not Included (Standard)
1st-in-Padlocks
2K+
$39.41
Master Lock 6271 Pro Series Hidden Shackle Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key / Bumpstop Not Included (Standard)
1st-in-Padlocks
$37.01
Master Lock Hidden Padlock - 3/8" Shackle Diameter - Chrome ML6271
etrailer.com
2K+
$37.01
Master Lock Hidden Padlock - 3/8" Shackle Diameter - Chrome ML6271
etrailer.com
$50.15
Master Lock® Locking Combination 5 Key Steel Box, 3.25" Wide, Black/Silver - MLK5400D
On Time Supplies
$50.15
Master Lock® Locking Combination 5 Key Steel Box, 3.25" Wide, Black/Silver - MLK5400D
On Time Supplies
$12.64
Master Lock 7LJ Laminated Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$12.64
Master Lock 7LJ Laminated Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$25.86
Master Lock Company 1670MD
DoorHub
$25.86
Master Lock Company 1670MD
DoorHub
$23.90
Master Lock Company 1654KA S372
DoorHub
$23.90
Master Lock Company 1654KA S372
DoorHub
$10.07
Master Lock Company 7KA P150
DoorHub
$10.07
Master Lock Company 7KA P150
DoorHub
$107.24
4-Units Min. Master Lock Solid Brass Masterlock W/Combination, Longer Handle Model - 175LH
TrustClarity Store
24
$107.24
4-Units Min. Master Lock Solid Brass Masterlock W/Combination, Longer Handle Model - 175LH
TrustClarity Store
$9.78
Master Lock Padlock Control Key CNTLKEY-BB1
DkHardware.com
$9.78
Master Lock Padlock Control Key CNTLKEY-BB1
DkHardware.com
$197.86
Master Lock No. 175 Combination Brass Padlock 5/16 in Dia 2-1/4 in L X 1 in W Brass 175DLH-XCP6
DkHardware.com
2K+
$197.86
Master Lock No. 175 Combination Brass Padlock 5/16 in Dia 2-1/4 in L X 1 in W Brass 175DLH-XCP6
DkHardware.com
$27.36
Master Lock BCO0105 Entry Lock, Antique Brass Biscuit SC1, Keyed Different
Mr. Lock
$27.36
Master Lock BCO0105 Entry Lock, Antique Brass Biscuit SC1, Keyed Different
Mr. Lock
$196.00
Master Lock 4401DLH Bluetooth Smart Padlock For Indoors And Outdoors Usage
Keyless Access Locks
372
$196.00
Master Lock 4401DLH Bluetooth Smart Padlock For Indoors And Outdoors Usage
Keyless Access Locks
$19.99
Master Lock 1-1/2 Inch (38Mm) Red Anodized Aluminum Safety Padlock With 1-1/2 Inch (38Mm) Tall Shackle - 1/2" | Farwest
Farwest Lineman Supply
241
$19.99
Master Lock 1-1/2 Inch (38Mm) Red Anodized Aluminum Safety Padlock With 1-1/2 Inch (38Mm) Tall Shackle - 1/2" | Farwest
Farwest Lineman Supply
$42.11
Master Lock Disk Padlock Proseries Hidden Shackle Padlock 2.875" W Die-Cast Zinc Pin Tumbler Silver Chrome 6271
DkHardware.com
26
$42.11
Master Lock Disk Padlock Proseries Hidden Shackle Padlock 2.875" W Die-Cast Zinc Pin Tumbler Silver Chrome 6271
DkHardware.com
$14.59
Master Lock 1-9/16" Wide Solid Brass Body Padlock With 2" Shackle - Qty 1 ML140DLH
etrailer.com
4K+
$14.59
Master Lock 1-9/16" Wide Solid Brass Body Padlock With 2" Shackle - Qty 1 ML140DLH
etrailer.com
$26.19
MASTER LOCK Combination Padlock, Bottom, Brass, 175LHSS
Zoro.com
1
$26.19
MASTER LOCK Combination Padlock, Bottom, Brass, 175LHSS
Zoro.com
$23.18
Master Lock TUO0105 Entry Lock, Antique Brass Tulip, Keyed Different
Mr. Lock
1K+
$23.18
Master Lock TUO0105 Entry Lock, Antique Brass Tulip, Keyed Different
Mr. Lock
$10.49
Master Lock 7D 1 1/8" Silver / Blue Four-Pin Steel Tumbler Lock
WebstaurantStore
2
$10.49
Master Lock 7D 1 1/8" Silver / Blue Four-Pin Steel Tumbler Lock
WebstaurantStore
$21.99
Master Lock 175D 2" Brass Resettable Combination Padlock
WebstaurantStore
4K+
$21.99
Master Lock 175D 2" Brass Resettable Combination Padlock
WebstaurantStore
$9.99
Gold Key Controlled Masterlock
TPES Online
$9.99
Gold Key Controlled Masterlock
TPES Online
$64.99
Master Lock 2.88 in. W Metal 4-Digit Combination Lock Box
Ace Hardware
27K+
$64.99
Master Lock 2.88 in. W Metal 4-Digit Combination Lock Box
Ace Hardware
$259.99
Master Lock 6.47 in. H X 1.71 in. W X 2.43 L Metal Single Locking Bluetooth Padlock
Ace Hardware
$259.99
Master Lock 6.47 in. H X 1.71 in. W X 2.43 L Metal Single Locking Bluetooth Padlock
Ace Hardware
$17.41
Master Lock Covered Solid Body Padlocks - 1/4" Shackle Diameter (2 Pack) 141T
etrailer.com
21K+
$17.41
Master Lock Covered Solid Body Padlocks - 1/4" Shackle Diameter (2 Pack) 141T
etrailer.com
$7.34
Masterlock 140D Master Lock Solid Brass Padlock - 1-9/16"
Hardware World
8K+
$7.34
Masterlock 140D Master Lock Solid Brass Padlock - 1-9/16"
Hardware World
$78.79
MASTER LOCK Door Lever Lockset, Satin Chrome, Mechanical, Heavy Duty, 1-3/8 To 1-3/4" For Door Thickness, SLCHKE26D
Zoro.com
486
$78.79
MASTER LOCK Door Lever Lockset, Satin Chrome, Mechanical, Heavy Duty, 1-3/8 To 1-3/4" For Door Thickness, SLCHKE26D
Zoro.com
$14.99
Master Lock Padlock 2 1/2in Metal 4 Digit Combination 1 Pack - 1523D
Acme Tools
2K+
$14.99
Master Lock Padlock 2 1/2in Metal 4 Digit Combination 1 Pack - 1523D
Acme Tools
MSN
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MSN
4 months ago
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Feb 1, 2025
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[845] Master Locks With INEXCUSABLE Design Flaws
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(642) Master Lock Combo Box - EZPZ to Open! (JUNK!)
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How To Pick A Master Lock #175 Combination Lock
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2:49
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How to Crack a Master Lock (EASY Method - No Tools)
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1:23
Master Lock 1652 Built-In Combination Lock
13.4K viewsApr 14, 2014
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41.9K viewsFeb 23, 2019
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3:15
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3:21
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3:34
How to Install a Vintage Lockset | This Old House
132.9K viewsNov 21, 2014
YouTubeThis Old House
1:36
How to Reset Master Lock No. 175 and 176
357.3K viewsSep 23, 2016
YouTubeThe Lock People®
4:36
The Easiest Way To Pick a Master Lock No 3
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4.8M viewsOct 17, 2010
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See more

Shop Old Master Locks

Sponsored
About our ads
$37.01
Master Lock Hidden Padlock - 3/8" Shackle Diameter - Chrome ML6271
etrailer.com
2K+
$37.01
Master Lock Hidden Padlock - 3/8" Shackle Diameter - Chrome ML6271
etrailer.com
$50.15
Master Lock® Locking Combination 5 Key Steel Box, 3.25" Wide, Black/Silver - MLK5400D
On Time Supplies
$50.15
Master Lock® Locking Combination 5 Key Steel Box, 3.25" Wide, Black/Silver - MLK5400D
On Time Supplies
$12.64
Master Lock 7LJ Laminated Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$12.64
Master Lock 7LJ Laminated Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$25.86
Master Lock Company 1670MD
DoorHub
$25.86
Master Lock Company 1670MD
DoorHub
$23.90
Master Lock Company 1654KA S372
DoorHub
$23.90
Master Lock Company 1654KA S372
DoorHub
$10.07
Master Lock Company 7KA P150
DoorHub
$10.07
Master Lock Company 7KA P150
DoorHub
$107.24
4-Units Min. Master Lock Solid Brass Masterlock W/Combination, Longer Handle Model - 175LH
TrustClarity Store
24
$107.24
4-Units Min. Master Lock Solid Brass Masterlock W/Combination, Longer Handle Model - 175LH
TrustClarity Store
$9.78
Master Lock Padlock Control Key CNTLKEY-BB1
DkHardware.com
$9.78
Master Lock Padlock Control Key CNTLKEY-BB1
DkHardware.com
$197.86
Master Lock No. 175 Combination Brass Padlock 5/16 in Dia 2-1/4 in L X 1 in W Brass 175DLH-XCP6
DkHardware.com
2K+
$197.86
Master Lock No. 175 Combination Brass Padlock 5/16 in Dia 2-1/4 in L X 1 in W Brass 175DLH-XCP6
DkHardware.com
$27.36
Master Lock BCO0105 Entry Lock, Antique Brass Biscuit SC1, Keyed Different
Mr. Lock
$27.36
Master Lock BCO0105 Entry Lock, Antique Brass Biscuit SC1, Keyed Different
Mr. Lock
$196.00
Master Lock 4401DLH Bluetooth Smart Padlock For Indoors And Outdoors Usage
Keyless Access Locks
372
$196.00
Master Lock 4401DLH Bluetooth Smart Padlock For Indoors And Outdoors Usage
Keyless Access Locks
$19.99
Master Lock 1-1/2 Inch (38Mm) Red Anodized Aluminum Safety Padlock With 1-1/2 Inch (38Mm) Tall Shackle - 1/2" | Farwest
Farwest Lineman Supply
241
$19.99
Master Lock 1-1/2 Inch (38Mm) Red Anodized Aluminum Safety Padlock With 1-1/2 Inch (38Mm) Tall Shackle - 1/2" | Farwest
Farwest Lineman Supply
$42.11
Master Lock Disk Padlock Proseries Hidden Shackle Padlock 2.875" W Die-Cast Zinc Pin Tumbler Silver Chrome 6271
DkHardware.com
26
$42.11
Master Lock Disk Padlock Proseries Hidden Shackle Padlock 2.875" W Die-Cast Zinc Pin Tumbler Silver Chrome 6271
DkHardware.com
$14.59
Master Lock 1-9/16" Wide Solid Brass Body Padlock With 2" Shackle - Qty 1 ML140DLH
etrailer.com
4K+
$14.59
Master Lock 1-9/16" Wide Solid Brass Body Padlock With 2" Shackle - Qty 1 ML140DLH
etrailer.com
$26.19
MASTER LOCK Combination Padlock, Bottom, Brass, 175LHSS
Zoro.com
1
$26.19
MASTER LOCK Combination Padlock, Bottom, Brass, 175LHSS
Zoro.com
$23.18
Master Lock TUO0105 Entry Lock, Antique Brass Tulip, Keyed Different
Mr. Lock
1K+
$23.18
Master Lock TUO0105 Entry Lock, Antique Brass Tulip, Keyed Different
Mr. Lock
$10.49
Master Lock 7D 1 1/8" Silver / Blue Four-Pin Steel Tumbler Lock
WebstaurantStore
2
$10.49
Master Lock 7D 1 1/8" Silver / Blue Four-Pin Steel Tumbler Lock
WebstaurantStore
$21.99
Master Lock 175D 2" Brass Resettable Combination Padlock
WebstaurantStore
4K+
$21.99
Master Lock 175D 2" Brass Resettable Combination Padlock
WebstaurantStore

Shop Old Master Locks

Sponsored
About our ads
$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Black - Master Lock - Pack Of 6
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Black - Master Lock - Pack Of 6
Uline
$44.00
Aluminum Lockout Padlock - Keyed Different, Red - Master Lock - Qty Of 2
Uline
$44.00
Aluminum Lockout Padlock - Keyed Different, Red - Master Lock - Qty Of 2
Uline
$1,137.50
Master Lock 1630STK Built-In Combo Lock 1, 2, 3 Tier Locker W/1 Control Key & Chart Price Each - Pkg Qty 50
Global Industrial
$1,137.50
Master Lock 1630STK Built-In Combo Lock 1, 2, 3 Tier Locker W/1 Control Key & Chart Price Each - Pkg Qty 50
Global Industrial
$76.39
Master Lock SLCHPG10B Heavy Duty Lever Style, Grade 2 Commercial Passage Door Lock, Oil Rubbed Bronze Finish
Amazon.com
85
Free shipping
$76.39
Master Lock SLCHPG10B Heavy Duty Lever Style, Grade 2 Commercial Passage Door Lock, Oil Rubbed Bronze Finish
Amazon.com
$367.20
Master Lock No. 500 Warded Laminated Padlocks - Pkg Qty 72
Global Industrial
$367.20
Master Lock No. 500 Warded Laminated Padlocks - Pkg Qty 72
Global Industrial
$31.67
Master Lock 2-Pack Round Steel Padlocks With Shielded Shackle - 2 3/4In.W, Model Number 40T
Amazon.com
3K+
$31.67
Master Lock 2-Pack Round Steel Padlocks With Shielded Shackle - 2 3/4In.W, Model Number 40T
Amazon.com
$22.04
Master Lock 40KADPF Discus Padlock 1St-In-Padlocks
1st-in-Padlocks
218
$22.04
Master Lock 40KADPF Discus Padlock 1St-In-Padlocks
1st-in-Padlocks
$21.75
Master Lock No. 1655MD Built-In Combo Lock For Horizontal Latch Box Locker - Metal Dial - LH
Global Industrial
$21.75
Master Lock No. 1655MD Built-In Combo Lock For Horizontal Latch Box Locker - Metal Dial - LH
Global Industrial
$37.69
Restorers 5 Inch Iron Black Rustic Padlock | Black | Trunk Components
Van Dykes
$37.69
Restorers 5 Inch Iron Black Rustic Padlock | Black | Trunk Components
Van Dykes
$39.41
Master Lock 6271 Pro Series Hidden Shackle Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key / Bumpstop Not Included (Standard)
1st-in-Padlocks
2K+
$39.41
Master Lock 6271 Pro Series Hidden Shackle Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key / Bumpstop Not Included (Standard)
1st-in-Padlocks
$37.01
Master Lock Hidden Padlock - 3/8" Shackle Diameter - Chrome ML6271
etrailer.com
2K+
$37.01
Master Lock Hidden Padlock - 3/8" Shackle Diameter - Chrome ML6271
etrailer.com
$50.15
Master Lock® Locking Combination 5 Key Steel Box, 3.25" Wide, Black/Silver - MLK5400D
On Time Supplies
$50.15
Master Lock® Locking Combination 5 Key Steel Box, 3.25" Wide, Black/Silver - MLK5400D
On Time Supplies
$12.64
Master Lock 7LJ Laminated Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$12.64
Master Lock 7LJ Laminated Padlock 1St-In-Padlocks, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$25.86
Master Lock Company 1670MD
DoorHub
$25.86
Master Lock Company 1670MD
DoorHub
$23.90
Master Lock Company 1654KA S372
DoorHub
$23.90
Master Lock Company 1654KA S372
DoorHub
$10.07
Master Lock Company 7KA P150
DoorHub
$10.07
Master Lock Company 7KA P150
DoorHub
$107.24
4-Units Min. Master Lock Solid Brass Masterlock W/Combination, Longer Handle Model - 175LH
TrustClarity Store
24
$107.24
4-Units Min. Master Lock Solid Brass Masterlock W/Combination, Longer Handle Model - 175LH
TrustClarity Store