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Resettable Combination Padlocks
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Set your own combination and change it at any time.
The aluminum-body locks are more corrosion resistant than the steel-body locks. The steel-body locks are the strongest.
Hardened steel shackles are stronger than steel shackles.
Shackle | Body | |||||||||||
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Combination Type | No. of Possible Combinations | Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Manufacturer and Model No. | Bumper Color | Each | |
(A) Solid Aluminum Body | ||||||||||||
Three Numbers | 1,000 | 1" | 9/16" | 3/16" | Nickel-Plated Steel | 2 3/4" | 1 3/16" | 19/32" | Master Lock 630D | __ | 0000000 | 00000 |
(A) Solid Steel Body | ||||||||||||
Three Numbers | 1,000 | 11/16" | 3/8" | 1/8" | Steel | 2 1/4" | 13/16" | 1/2" | Master Lock 646D | __ | 0000000 | 0000 |
Three Numbers | 1,000 | 15/16" | 3/8" | 3/16" | Steel | 2 1/4" | 1 3/16" | 19/32" | Master Lock 647D | __ | 0000000 | 0000 |
(B) Solid Brass-Plated Aluminum Body | ||||||||||||
Four Numbers | 10,000 | 7/8" | 7/8" | 1/4" | Steel | 1 13/16" | 1 9/16" | 5/8" | Master Lock 643D | __ | 0000000 | 00000 |
(B) Solid Chrome-Plated Steel Body | ||||||||||||
Four Numbers | 10,000 | 1" | 3/4" | 1/4" | Hardened Steel | 1 7/8" | 1 1/2" | 3/4" | Abus Lock 155/40 C | __ | 0000000 | 00000 |
(C) Solid Aluminum Body | ||||||||||||
Four Letters | 10,000 | 7/8" | 7/8" | 1/4" | Steel | 3 3/16" | 1 9/16" | 19/32" | Master Lock 643DWD | __ | 0000000 | 00000 |
(D) Solid Chrome-Plated Steel Body | ||||||||||||
Three Numbers | 1,000 | 7/8" | 15/16" | 1/4" | Hardened Steel | 1 3/4" | 1 1/2" | 3/4" | Abus Lock 160/40 | __ | 0000000 | 00000 |
(E) Solid Chrome-Plated Steel Body | ||||||||||||
Four Numbers | 10,000 | 1" | 1 1/8" | 5/16" | Hardened Steel | 2 1/16" | 2" | 3/4" | Abus Lock 160/50 | __ | 0000000 | 00000 |
(F) Laminated Nickel-Plated Steel Body | ||||||||||||
Three Numbers | 1,000 | 1" | 13/16" | 1/4" | Hardened Steel | 1 1/2" | 1 9/16" | 7/8" | __ | Blue | 00000000 | 00000 |
Extra-Clearance Resettable Combination Padlocks
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For technical drawings and 3-D models, click on a part number.
Shackle | Body | |||||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Manufacturer and Model No. | Bumper Color | Combination Type | No. of Possible Combinations | Each | |
(A) Laminated Nickel-Plated Steel Body | ||||||||||||
2 1/4" | 15/16" | 5/16" | Hardened Steel | 1 1/2" | 2" | 1 1/4" | __ | Black | Four Numbers | 10,000 | 00000000 | 000000 |
(B) Solid Chrome-Plated Steel Body | ||||||||||||
2" | 1 1/8" | 5/16" | Hardened Steel | 2 1/16" | 2" | 3/4" | Abus Lock 160/50HB/50 | __ | Four Numbers | 10,000 | 0000000 | 00000 |
Choose-a-Color Resettable Combination Padlocks
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Set your own combination and change it at any time.
For technical drawings and 3-D models, click on a part number.
TSA-Accessible Resettable Combination Padlocks
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Lock secures your equipment cases during travel, but allows Transportation Security Administration personnel to open your luggage. An opened indicator changes from green to red to alert you if the lock was opened. You can set your own combination and change it at any time.
For technical drawings and 3-D models, click on a part number.
Shackle | Body | Cover | ||||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Color | Material | Combination Type | No. of Possible Combinations | Each | |
Solid Aluminum Body | ||||||||||||
3/4" | 1/2" | 1/8" | Hardened Steel | 1 7/16" | 1 5/16" | 9/16" | Black | Plastic | Three Numbers | 1,000 | 000000 | 000000 |
Quick-Attach Resettable Combination Padlocks
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Instead of a shackle, this lock has a hook with a latch to make it easier to attach than traditional padlocks. Set your own combination and change it at any time.
Shackle | Body | |||||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Manufacturer and Model No. | Latch Material | Combination Type | No. of Possible Combinations | Each | |
Solid Zinc Body | ||||||||||||
1 3/16" | 1 3/16" | 3/16" | Zinc | 3 5/16" | 1 15/16" | 1/2" | Master Lock 1548DCM | Chrome-Plated Steel | Three Numbers | 1,000 | 0000000 | 00000 |
Weather-Resistant Extra-Clearance Resettable Combination Padlocks
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Vertical shackle clearance is greater than 1". These corrosion-resistant padlocks are well suited for refineries and marine applications. Set your own combination and change it at any time.
Brass-body locks are the most corrosion resistant. Epoxy-coated hardened steel body locks are the strongest lock body and are coated for corrosion resistance.
Locks with hardened steel shackles are more cut resistant than locks with stainless steel shackles. Boron-carbide shackles are the most cut resistant.
Shackle | Body | ||||||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Manufacturer and Model No. | Combination Type | No. of Possible Combinations | Features | Each | ||
Solid Epoxy-Coated Hardened Steel Body | |||||||||||||
A | 2" | 7/8" | 7/16" | Hardened Steel | 2 1/4" | 2 1/2" | 1 3/8" | Super Sesamee K637 | Four Numbers | 10,000 | __ | 0000000 | 000000 |
Solid Brass Body | |||||||||||||
A | 2 1/4" | 1" | 5/16" | Hardened Steel | 1 11/16" | 1 7/8" | 7/8" | Sesamee 437 | Four Numbers | 10,000 | __ | 000000 | 00000 |
A | 2 1/2" | 15/16" | 5/16" | Stainless Steel | 1 23/32" | 2 1/16" | 15/16" | Abus Lock 180IB/50HB63 | Four Numbers | 10,000 | __ | 0000000 | 00000 |
A | 4" | 1" | 5/16" | Hardened Steel | 1 11/16" | 1 7/8" | 7/8" | Sesamee K440 | Four Numbers | 10,000 | __ | 000000 | 00000 |
B | 2 1/16" | 15/16" | 3/8" | Boron Carbide | 2" | 2 1/4" | 1 1/4" | Pro Master Lock 1175LH | Four Numbers | 10,000 | Octagonal Shackle | 0000000 | 00000 |
B | 2 1/16" | 15/16" | 3/8" | Boron Carbide | 2" | 2 1/4" | 1 1/4" | Pro Master Lock 1175LHRS | Four Numbers | 10,000 | __ | 0000000 | 00000 |
B | 2 1/16" | 1" | 5/16" | Stainless Steel | 1 13/16" | 2 1/4" | 1 1/4" | __ | Four Numbers | 10,000 | __ | 0000000 | 00000 |
Weather- and Cut-Resistant Resettable Combination Padlocks
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Shackle is concealed to make it difficult to cut. Set your own combination and change it at any time.
Hardened steel-body lock is stronger than brass-body lock and epoxy coated to provide corrosion resistance.
Brass-body lock is more corrosion resistant than hardened steel-body lock. It also has a boron carbide shackle, which is harder and more corrosion resistant than a hardened steel shackle.
For technical drawings and 3-D models, click on a part number.
Shackle | Body | |||||||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Color | Manufacturer and Model No. | Manufacturer Series | Combination Type | No. of Possible Combinations | Each | ||
Solid Brass Body | ||||||||||||||
A | 1 1/16" | 15/16" | 3/8" | Boron Carbide | 2" | 2 1/4" | 1 1/4" | __ | Master Lock 1177 | Pro | Four Numbers | 10,000 | 0000000 | 000000 |
Solid Epoxy-Coated Hardened Steel Body | ||||||||||||||
B | 1" | 7/8" | 7/16" | Hardened Steel | 3" | 2 1/2" | 1 3/8" | Black | Sesamee K646 | Super Sesamee | Four Numbers | 10,000 | 0000000 | 00000 |
Weather-Resistant Resettable Combination Padlocks
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Set your own combination and change it at any time.
Hardened steel-body lock is the strongest lock and epoxy coated for corrosion resistance. Zinc-body lock is more corrosion resistant than hardened steel-body lock, while brass-body lock is the most corrosion resistant.
For technical drawings and 3-D models, click on a part number.
Shackle | Body | ||||||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Color | Manufacturer and Model No. | Manufacturer Series | Combination Type | No. of Possible Combinations | Each | |
Solid Brass Body | |||||||||||||
1" | 1" | 5/16" | Hardened Steel | 1 11/16" | 1 7/8" | 7/8" | __ | Sesamee 436 | __ | Four Numbers | 10,000 | 000000 | 000000 |
Solid Epoxy-Coated Zinc Body | |||||||||||||
1" | 1" | 5/16" | Hardened Steel | 1 11/16" | 1 7/8" | 7/8" | Black | Sesamee K500 3/4 | __ | Four Numbers | 10,000 | 000000 | 00000 |
Solid Epoxy-Coated Hardened Steel Body | |||||||||||||
1" | 7/8" | 7/16" | Hardened Steel | 2 1/4" | 2 1/2" | 1 3/8" | Black | Sesamee K636 | Super Sesamee | Four Numbers | 10,000 | 0000000 | 00000 |
Key-Controlled Combination Padlocks
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Open the shackle with a control key as well as the combination. Control keys are sold separately.
Factory-registered locks give you an exclusive keying system that is unique to your locks. If matching factory-registered locks to an existing system, please specify the key number of the existing system.
For technical drawings and 3-D models, click on a part number.
Padlocks | |||||||||||||
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Shackle | Body | Control Keys | |||||||||||
For New or Existing Systems | Vertical Clearance | Horizontal Clearance | Dia. | Material | Dia. | Thick. | Manufacturer and Model No. | Combination Type | No. of Tumbler Pins | Each | Each | ||
Padlocks | |||||||||||||
Solid Stainless Steel Body | |||||||||||||
__ | 3/4" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 0000000 | 000000 | 0000000 | 00000 |
Factory-Registered Padlocks | |||||||||||||
Solid Stainless Steel Body | |||||||||||||
New | 3/4" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 00000000 | 00000 | 00000000 | 0000 |
Existing | 3/4" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 00000000 | 00000 | 00000000 | 0000 |
High-Security Key-Controlled Combination Padlocks
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Compared to other combination padlocks, these have a reinforced body and dial, making the lock more difficult to shim and pull apart. The dial rim is also recessed to prevent tampering.
Open the shackle with a control key as well as the combination. All of these locks are factory registered to give you an exclusive keying system that is unique to your locks. If matching factory-registered locks to an existing system, please specify the key number of the existing system. Control keys are sold separately.
For technical drawings and 3-D models, click on a part number.
Padlocks | |||||||||||||
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Shackle | Body | Control Keys | |||||||||||
For New or Existing Systems | Vertical Clearance | Horizontal Clearance | Dia. | Material | Dia. | Thick. | Manufacturer and Model No. | Combination Type | No. of Tumbler Pins | Each | Each | ||
Factory-Registered | |||||||||||||
Solid Stainless Steel Body | |||||||||||||
New | 1" | 15/16" | 5/16" | Hardened Steel | 2 3/16" | 1 1/2" | Master Lock 2010 | Three Numbers | 4 | 00000000 | 000000 | 00000000 | 00000 |
Existing | 1" | 15/16" | 5/16" | Hardened Steel | 2 3/16" | 1 1/2" | Master Lock 2010 | Three Numbers | 4 | 00000000 | 00000 | 00000000 | 0000 |
Extra-Clearance Key-Controlled Combination Padlocks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/118/1180a14p1-h02d-digital@halfx_636936184619943057.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/i11/i111-horizontal-shackle-clearance--316df8cac801609788907-p9@halfx_637453641193826943.png?ver=imagenotfound)
Vertical shackle clearance is greater than 1". Open the shackle with a control key as well as the combination. Control keys are sold separately.
Factory-registered locks give you an exclusive keying system that is unique to your locks. If matching factory-registered locks to an existing system, please specify the key number of the existing system.
For technical drawings and 3-D models, click on a part number.
Padlocks | |||||||||||||
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Shackle | Body | Control Keys | |||||||||||
For New or Existing Systems | Vertical Clearance | Horizontal Clearance | Dia. | Material | Dia. | Thick. | Manufacturer and Model No. | Combination Type | No. of Tumbler Pins | Each | Each | ||
Padlocks | |||||||||||||
Solid Stainless Steel Body | |||||||||||||
__ | 1 1/2" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 0000000 | 000000 | 0000000 | 00000 |
Factory-Registered Padlocks | |||||||||||||
Solid Stainless Steel Body | |||||||||||||
New | 1 1/2" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 00000000 | 00000 | 00000000 | 0000 |
New | 2" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 00000000 | 00000 | 00000000 | 0000 |
Existing | 1 1/2" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 00000000 | 00000 | 00000000 | 0000 |
Existing | 2" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1525 | Three Numbers | 4 | 00000000 | 00000 | 00000000 | 0000 |
Combination Padlocks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/118/1180a11p1-h02d-digital@halfx_636936189080272943.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/i11/i111-horizontal-shackle-clearance--316df8cac801609788907-p9@halfx_637453641193826943.png?ver=imagenotfound)
For technical drawings and 3-D models, click on a part number.
Shackle | Body | ||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Dia. | Thick. | Manufacturer and Model No. | Combination Type | Each | |
Solid Stainless Steel Body | |||||||||
3/4" | 13/16" | 9/32" | Hardened Steel | 1 7/8" | 1" | Master Lock 1500 | Three Numbers | 0000000 | 00000 |
Choose-a-Color Combination Padlocks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/118/1180a11p1-h02d-digital@halfx_636936189080272943.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/i11/i111-horizontal-shackle-clearance--316df8cac801609788907-p9@halfx_637453641193826943.png?ver=imagenotfound)
Padlocks come in a variety of colors for easy identification and organization. The shackle is hardened steel for cut resistance.
For technical drawings and 3-D models, click on a part number.
Extra-Clearance Combination Padlocks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/118/1180a13p1-h02d-digital@halfx_636936187310886167.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/i11/i111-horizontal-shackle-clearance--316df8cac801609788907-p9@halfx_637453641193826943.png?ver=imagenotfound)
Vertical shackle clearance is greater than 1”.
For technical drawings and 3-D models, click on a part number.
Extra-Clearance Key-Controlled Resettable Combination Padlocks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/183/1836a18c1-h02d-digital@halfx_636936190623450558.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/i11/i111-horizontal-shackle-clearance--316df8cac801609788907-p9@halfx_637453641193826943.png?ver=imagenotfound)
Vertical shackle clearance is greater than 1”. Open shackle one of two ways: With a control key or with the combination, which you can set and change at any time. Control key is sold separately.
For technical drawings and 3-D models, click on a part number.
Padlock | ||||||||||||||
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Shackle | Body | Control Key | ||||||||||||
Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Manufacturer and Model No. | Combination Type | No. of Possible Combinations | No. of Tumbler Pins | Each | Each | ||
Solid Brass Body | ||||||||||||||
2 1/8" | 1" | 5/16" | Hardened Steel | 1 7/8" | 2" | 15/16" | Master Lock 176LH | Four Numbers | 10,000 | 4 | 0000000 | 000000 | 0000000 | 00000 |
Key-Controlled Resettable Combination Padlocks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/183/1836a17c1-h02d-digital@halfx_636936189968079220.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/i11/i111-horizontal-shackle-clearance--316df8cac801609788907-p9@halfx_637453641193826943.png?ver=imagenotfound)
Open shackle one of two ways: With a control key or with the combination, which you can set and change at any time. Control key is sold separately.
For technical drawings and 3-D models, click on a part number.
Bluetooth Padlocks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/801/8018a12p1-h02d-digital@halfx_636936192595548894.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/i11/i111-horizontal-shackle-clearance--316df8cac801609788907-p9@halfx_637453641193826943.png?ver=imagenotfound)
No more lost keys or forgotten combinations—these padlocks open with your Bluetooth-enabled smartphone. Each padlock has a code for registering the lock with a free app to control it via Bluetooth. In addition to locking and unlocking the padlock, you can permanently or temporarily share access to the padlock with others, monitor when and who had access to the padlock, and receive tamper alerts. Padlocks are battery operated. If your phone is not available, you can also open the padlock using a combination on the padlock keypad.
For technical drawings and 3-D models, click on a part number.
Shackle | Body | Cover | ||||||||||
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Vertical Clearance | Horizontal Clearance | Dia. | Material | Ht. | Wd. | Thick. | Manufacturer and Model No. | For Use Outdoors | Color | Material | Each | |
Padlocks | ||||||||||||
Solid Powder-Coated Zinc Body | ||||||||||||
2" | 15/16" | 11/32" | Hardened Boron Alloy | 2 15/16" | 2 1/4" | 1 1/16" | Master Lock 4401LHEC | Yes | Black | Rubber | 0000000 | 0000000 |
Replacement Batteries for Padlocks | |||
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Replacement Battery for 4401LHEC | 0000000 | Pkg. | 000000 |
Self-Locking Resettable-Combination Locker Locks
![](https://www.mcmaster.com/prerenderstable/mvPRE/contents/gfx/small/1504a21p2s.png?ver=1314691440)
These locks automatically lock when the locker door is closed. For security, change the combination in seconds. The back of each lock has a push-button combination changer that allows switching between five three-number combinations. A control key (sold separately) overrides the combination.
All of these locks are factory registered with an exclusive keying system that is unique to your locks. They have concealed mounting bolts to prevent tampering. To determine door swing direction, stand facing the locker. If the hinges are on the right, select a right lock; if they're on the left, select a left lock. Note: When ordering a new system, order a control key (sold separately). When matching an existing group of locks, please specify key number.
For technical drawings and 3-D models, click on a part number.
Case | |||||||||||||
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For Door Swing Direction | For Max. Door Thick. | For Through Hole Dia. | Latch Bolt Projection | Ht. | Wd. | Mounting Hole Ctr.-to-Ctr. | Mounting Fasteners Included | Latching Direction | Material | Dial Material | Choose For New or Existing Systems | Each | |
For Lockers With Automatic Bar-and-Rod Release or Pull-Up Handle | |||||||||||||
Right | 1/8" | 11/16" | 5/16" | 2 7/8" | 1 7/8" | 2 3/16" | Yes | Vertical | Steel | Black Plastic | 0000000 | 000000 | |
Left | 1/8" | 11/16" | 5/16" | 2 7/8" | 1 7/8" | 2 3/16" | Yes | Vertical | Steel | Black Plastic | 0000000 | 00000 | |
For Lockers Without Handles | |||||||||||||
Right | 1/8" | 11/16" | 1/4" | 2 7/8" | 1 7/8" | 2 3/16" | Yes | Horizontal | Steel | Black Plastic | 0000000 | 00000 | |
Left | 1/8" | 11/16" | 1/4" | 2 7/8" | 1 7/8" | 2 3/16" | Yes | Horizontal | Steel | Black Plastic | 0000000 | 00000 |
Manual-Locking Resettable-Combination Locker Locks
Close the locker door and turn the dial to lock. For security, change the combination in seconds. The back of each lock has a push-button combination changer that allows switching between five three-number combinations. A control key (sold separately) overrides the combination.
All of these locks are factory registered with an exclusive keying system that is unique to your locks. They have concealed mounting bolts to prevent tampering. To determine door swing direction, stand facing the locker. If the hinges are on the right, select a right lock; if they're on the left, select a left lock. Note: When ordering a new system, order a control key (sold separately). When matching an existing group of locks, please specify key number.
For technical drawings and 3-D models, click on a part number.
Case | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Door Swing Direction | For Max. Door Thick. | For Through Hole Dia. | Latch Bolt Projection | Ht. | Wd. | Mounting Hole Ctr.-to-Ctr. | Mounting Fasteners Included | Latching Direction | Material | Dial Material | Choose For New or Existing Systems | Each | |
For Lockers With Automatic Bar-and-Rod Release or Metal Mesh Lockers | |||||||||||||
Right | 1/8" | 11/16" | 9/32" | 2 7/8" | 1 7/8" | 2 3/16" | Yes | Horizontal | Steel | Black Plastic | 0000000 | 000000 | |
Left | 1/8" | 11/16" | 9/32" | 2 7/8" | 1 7/8" | 2 3/16" | Yes | Horizontal | Steel | Black Plastic | 0000000 | 00000 |
Shared-Use Combination Locker Locks
![](/prerenderstable/mvPRE/contents/gfx/imagecache/156/1567n11p1-h02d-digital@halfx_637014350215217080.png?ver=imagenotfound)
With these locks, users can select any locker that's not being used, create their own combination, and secure their items. Once they open the lock, it automatically resets for the next user. These three-number locks allow up to 1,000 different combinations. A control key overrides the combinations.
For technical drawings and 3-D models, click on a part number.
Locks | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Case | Replacement Control Keys | |||||||||||||
Manufacturer | For Max. Door Thick. | For Through Hole Dia. | Latch Bolt Projection | Ht. | Wd. | Mounting Hole Ctr.-to-Ctr. | Mounting Fasteners Included | Latching Direction | Material | Appearance | Each | Each | ||
For Lockers With Pull-Up Handle | ||||||||||||||
Master Lock | 1/8" | 1/4" | 3/8" | 3 1/16" | 2 3/8" | 2 3/16" | Yes | Horizontal | Zinc | Dull | 0000000 | 000000 | 00000000 | 00000 |