Masterlockco 10172970

Master Lock Co.

137 W. Forest Hill Ave.
Oak Creek, WI 53154
800-308-9244
800-308-9245
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Products

cylindrical1
Master Lock smart keypad door locks provide flexible, proven security for commercial businesses, including healthcare facilities, offices, small businesses, and retail stores....
June 22, 2026
mcm624bsp_ml_ls_exteriortalentmedicalcloset_01_cmy
Cylindrical and mortise models designed for small- and medium-sized commercial businesses
Feb. 10, 2026
Master Lock Bluetooth Pro Series Padlock 6400 Shent Product Shot
Master Lock expanded its Bluetooth-enabled product family with the introduction of its ProSeries Padlocks. The new high-security padlocks come with a variety of shackle options...
Sept. 28, 2021
Now Even Stronger Padlocks
Master Lock introduces a new generation of Laminated Padlocks. Rolling out now for both “Home & Personal” and “Business & Industry” use, Master Lock’s family of Laminated Padlocks...
Aug. 5, 2019
1588D all 59c5152b9ddc7
MILWAUKEE, Sept. 19, 2017 – Master Lock introduces its Magnification Combination Padlock – the latest example of innovation born from consumer insights. Featuring a larger font...
Sept. 22, 2017
MLock Rusk Return 581c9778dd53b
Continuing to bring new styles to meet customer preferences, The Master Lock Company is introducing a pair of new styles to their Residential Door Hardware collection. The Rusk...
Nov. 4, 2016
MLock Magnum Application 57ae0a2762157
(MILWAUKEE, WIS.) – August 11, 2016 – The Master Lock Company successfully introduced the new Magnum® padlocks at the Associated Locksmiths of America (ALOA) Convention & Security...
Aug. 12, 2016
ML 2016AOLA Grade1ResidentialDeadbolt ProductShot 579a5b05f35b9
To satisfy growing demand in the marketplace, Master Lock Residential Door Hardware introduces Grade 1 Residential Deadbolts and an expanded line of door hardware styles. Single...
Aug. 8, 2016
MLock Bluetooth 4400 locker lock 56e83913be079
Master Lock introduces two Bluetooth Smart products, the 4400D indoor padlock and the 4401DLH outdoor padlock. Both locks omit the need for traditional keys or combinations because...
July 1, 2016
MLock 6121 Colors 54f07871861f2
To better help customers with security coding efforts for different work site locations, departments and employee identification, Master Lock has introduced six vivid colors for...
Feb. 27, 2015

Press Releases

Master Lock 100 Year Logo Lion Only
Yearlong celebration details and new user-led innovation to commemorate the milestone.
Feb. 2, 2021
Master Lock Model 5440ENT portable lock box. Green signals that it is unlocked.
1,000 free Bluetooth Lock Boxes offered to help safeguard personal protective equipment and critical assets
May 12, 2020
Master Lock 3685 electronic locker lock with housing
MILWAUKEE – Master Lock has become the “Official Lock of the Milwaukee Bucks Locker Room” at the upcoming Wisconsin Entertainment and Sports Center.A short partnership announcement...
Jan. 8, 2018
American Lock Harsh Environments display board
Newest display boards feature American Lock® Harsh Environments, American Lock High Security, Safety Lockout and Master Lock Commercial Magnum® products.
Aug. 19, 2016
MLock General Security Display Board 57435dfb271f1
MILWAUKEE, WIS. – May 23, 2016 – The Master Lock Company has proven to be one of the most recognized and trusted sources for locksmiths with their iconic and dependable security...
May 23, 2016
MLock Bluetooth 4400 locker lock 56e83913be079
User’s smartphone acts as a key to locker locks and outdoor-use padlocks
March 15, 2016
Since mid-2010, Master Lock has brought back approximately 100 union jobs to its Milwaukee factory.
Jan. 31, 2012
On-line CEU course highlights cost-effective compliance with new ADA school-project mandates
Oct. 14, 2011
Mlock1286locklubepromo 10414896
Interactive lock-product display with QR codes lets shop visitors learn more
Oct. 5, 2011
BRENTWOOD, NY, June 22, 2011 ­--- U.S. Lock, a national distributor of security hardware and access control products, announces the upcoming release of its 2011/2012 U.S. Lock...
June 23, 2011

News

Sentry® Safe Model SFW123CS Combination Fire Safe
The transaction was valued at $117.5 million. Sentry Safe will become part of Master Lock.
July 30, 2014
Travel Sentry
CATSA able to open and relock passenger luggage that uses Travel Sentry® locks when a physical inspection is required
April 27, 2014
Institutional locker lock to be introduced later this month
April 1, 2014
Master Lock Edge
Affordable key control solutions with single key convenience
Jan. 23, 2014
DEERFIELD, Ill. -- (BUSINESS WIRE) -- Fortune Brands Home & Security, Inc. has named Terry Horan president of the company's security and storage business, which includes Master...
June 24, 2013
Safety Series
The NSC venue provided a preview of the new S3081 Adjustable Ball Valve, which prevents accidental activation of a closed ball valve. It works in tandem with the S806 cable lockout...
Nov. 8, 2012
A700
(MILWAUKEE, WIS.) – October 22, 2012 - American Lock Company has enjoyed tremendous success ever since founder John Junkunc invented the world’s first keyless dial combination...
Oct. 22, 2012
American manufacturing and the importance of insourcing in America will be highlighted.
Feb. 13, 2012

Articles

Medeco All Weather Padlock with Medeco XT key
The introduction of technology has made this protection solution no longer just a mechanical outlier.
June 2, 2020
Master Lock Bluetooth Door Controller
Master Lock expands Bluetooth access control options with new door controller
Jan. 2, 2020
Bob Morrissette (left) and Master Lock field representative Ed Skaaland, stand next to American Lock and Master Lock customer merchandise display boards.
Bob Morrissette’s time at Bayfront Central Security & Systems Group in St. Petersburg, Fla., dates back to 1982, and a phone call 25 years ago led to him running the business....
Dec. 1, 2016
FJM Security's SX-790 combination disc padlocks
Padlock manufacturers have improved the original shackle and body padlock design with new forms and functions
March 1, 2016
Sentrysafe 4clr Fade 11612324
Master Lock Acquires Sentry SafeThe Master Lock Company (TMLC) has made a strategic acquisition of Sentry Safe, a leading producer of personal safes and protective security containers...
Sept. 2, 2014
Crowd at opening of IML Los Angeles Expo
During the three days of March 17-19, 2011, Intermountain Lock & Security Supply presented their Los Angeles IML Expo, covering 16 classes on Thursday and Friday and cumulating...
July 22, 2014
Zwipe puts fingerprint reader on the smart card
Zwipe - The Next Evolution of ID CardZwipe will introduce its new, next-generation biometric card, a contactless smart card credential with on-card fingerprint reading, at the...
March 3, 2014
8400 series adjustable cable locks incorporate Python rekeying system.
Product offerings from Master Lock go far beyond the traditional padlock
Feb. 3, 2014
Capitalize on the consumer trend toward keyless convenience with Master Lock’s programmable 20-code Electronic Keypad Deadbolt (EKD).
For keyless convenience, Master Lock’s Electronic Keypad Deadbolt (EKD) replaces standard deadbolts (no additional door prep), providing ANSI Grade 2 security with backup key ...
Oct. 2, 2012
Scenes from the convention floor
TWENTY YEARS AGOOur September, 1992 issue marked the beginning of a new era as Bill Reed retired from Locksmith Ledger. Padlocks were the theme of the September issue beginning...
Sept. 4, 2012

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Additional content from Master Lock Co.

975 Ressettable Front Bottom 11611220
Master Lock Security Solutions™ introduces the 975 padlock, part of the existing Master Lock Resettable Combination family. The sleek 975 offers dual deadlocking security and ...
Aug. 5, 2014
Master Lock 1652 Built In Di 11428867
Combination changes can be made from the outside, without opening the locker, with control key
April 28, 2014
Master Lock S6835 Series 11409979
Master Lock® Safety Solutions™ has introduced the S-series padlock line, an all-new line of aluminum safety padlocks specifically designed for safety lockout/tagout purposes.To...
April 17, 2014
Master Lock Grade 3 Dh 11322973
Master Lock Grade 3 residential door hardware offers an exclusive combination of quality, innovation and features. Designed to meet ANSI Grade 3 standards, Master Lock grade 3...
March 5, 2014
Master Lock Safety Padlock C 11316119
Master Lock Company LLC now offers a new line of safety padlock covers that protect your padlocks from extreme conditions in environments where Lockout/Tagout procedures are performed...
Feb. 21, 2014
Master Lock S3920 Butterfly 11281090
Master Lock® Company LLC’s latest entry into the Safety Lockout/Tagout (LOTO) arena, the new S3920 Butterfly Valve Lockout, turns the tables on devices that merely clamp down ...
Dec. 16, 2013
Ford Transit full-sized vehicle.
Here are some of the new mechanical and automotive security products that were getting a lot of attention at the ALOA 2013 Security Expo last month.
Aug. 13, 2013
A700 10727789
Stainless Steel, providing the ultimate corrosion resistance, joined American Lock’s Solid Body Padlocks in 2010. Weatherbuilt™ Padlock Protection features a patent-pending keyway...
July 2, 2012
Mlock Bumpstopdeadbolt 10725208
At ALOA, Master Lock will feature its expanded Grade 2 Commercial Door Hardware line. New keying options include patented BumpStop® Advanced Cylinder Technology for padlocks and...
June 4, 2012
A700 10723595
American Lock marks its 100th anniversary with a commemorative A700 neon sign and limited edition padlocks. Also on display at trade shows in 2012 will be the American Lock Stainless...
May 30, 2012
1585 10693365
Master Lock Company is putting a new spin on a familiar face with Letter Lock™ padlocks that feature combinations comprised of letters in lieu of numbers. Each Letter Lock padlock...
April 11, 2012
Obama tours factory
Security was tight for Feb. 15 speech in Milwaukee
April 2, 2012