Commercial & Business Security

Protect your business with Master Lock. We offer padlocks, door locks, and electronic locks to keep your business property secure.

Trusted Security

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Category

Best Used For

Keying Type

Environment

Indoors

Outdoors

Severe Use

Body Material

Aluminum

Aluminum/Steel

Antique Brass

Braided Steel

Brass

Cast Steel

Chrome

Die Cast

Fabric

Hardened Steel

Laminated Brass

Laminated Steel

Metal

Nylon

PBT and PC Thermoplastic

PC-PBT Thermoplastic blend

PC/ABS Thermoplastic & Nylon

PVC Polyester Fabric & HDPE Plastic

Plastic

Polycarbonate

Polypropylene

Solid Aluminum

Solid Brass

Solid Steel

Stainless Solid Steel

Stainless Steel

Steel

Steel Case

Thermoplastic

Zinc

Shackle Material

Shackle Length

Shackle Width

Shackle Diameter

Lock Body Width

3/4 in (19 mm)

13/16 in (21 mm)

7/8 in (22 mm)

1 in (25 mm)

1-1/8 in (29 mm)

1-3/16 in (30 mm)

1 3/16 in (30 mm)

1 1/4 in (32 mm)

1-1/4 in (32 mm)

1-5/16 in (33 mm)

1-3/8 in (35 mm)

1 5/16 in (35 mm)

1 3/8 in (35 mm)

1-5/16 in (35 mm)

1 3/8 in (36 mm)

1-13/32 in (36 mm)

1-1/2 in (38 mm)

1-9/16 in (40 mm)

1-3/4 in (44 mm)

1-29/32 in (47 mm)

1-7/8 in (48 mm)

1-15/16 in (49 mm)

2 in (5 cm)

2 in (51 mm)

2-1/8 in (54 mm)

2-7/32 in (56 mm)

2-3/16 in (56 mm)

2-1/4 in (57 mm)

2-5/16 in (59 mm)

2-3/8 in (60 mm)

2-7/16 in (62 mm)

2-1/2 in (64 mm)

2-5/8 in (67 mm)

2-3/4 in (70 mm)

2-7/8 in (72 mm)

2-7/8 in (73 mm)

3 in (76 mm)

3-1/8 in (79 mm)

3 in (8 cm)

3-1/4 in (83 mm)

3-5/16 in (84 mm)

3 3/4 in (95 mm)

3-15/16 in (10 cm)

6-1/8 in (16 cm)

6-5/8 in (17 cm)

8-1/4 in (21 cm)

1 3/8 in (3.1 cm)

2-7/8 in (7.2 cm)

Color

Pack Quantity

Multipack

Single Pack

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Product Support

Reset & Retrieve Lost Combinations

Set-your-own combination instructions, combination reset, lost combination help

Lost Keys & Key Replacements

Replace keys, replace locks, key duplication

Product Maintenance & Replacements

Lock maintenance, warranty information, part replacements

School Locker Locks

Combination charts, lock service, lock replacements

Bluetooth & Electronic Lock Support

Bluetooth locks & lock boxes, padlock service

Vault Support

Adding & removing users, app support, lock settings

Door Locks & Hardware

Replacement parts, commercial door lock service, residential hardware support

Product Support

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