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M40XD Magnum Heavy Duty Outdoor Discus Lock with Key, 1-Pack

  • Tough-Cut octagonal boron-carbide shackle discus locks
  • Shrouded design minimizes shackle exposure
  • Dual ball bearing locking for maximum pry resistance
  • See More Details

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Product Overview

The Master Lock Magnum® M40XD Discus Padlock with Key features a 2-3/4 in. (70 mm) wide stainless steel body for maximum strength, reliability and corrosion resistance. The fully shrouded design minimizes shackle exposure and protects against bolt cutter attacks. The 3/8 in. (10 mm) diameter octagonal shackle is 5/8 in. (16 mm) long and made of Tough-Cut™ boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The covered keyway offers maximum weather protection, and reinforced body bumper protects against scratches. The Lifetime Guarantee provides peace of mind from a brand you know and can trust.
  • Outdoor lock; Heavy duty discus padlock with key is best used for outdoor storage and fences, self-storage units & lockers and more
  • Key lock features Tough Cut™ octagonal boron-carbide shackle is 50% harder than hardened steel; Fully shrouded design minimizes shackle exposure and protects against bolt cutter attacks
  • 4-Pin cylinder for increased pick resistance; Covered keyway for maximum weather protection
  • 2-3/4 in. (70 mm) wide lock body; 3/8 in. (10 mm) diameter shackle with 5/8 in. (16 mm) length, 1-1/32 in. (28 mm) width
  • Includes one lock, two keys; Key retaining feature ensures padlock is not left unlocked



Info & Guides

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NameM40XD Magnum Heavy Duty Outdoor Discus Lock with Key, 1-PackM5XTLJ Magnum Heavy Duty Outdoor Padlock with Key, 2-Pack Keyed-AlikeM115XTRILF Magnum Heavy Duty Outdoor Padlock with Key, 3-Pack Keyed-AlikeM40XT Magnum Heavy Duty Outdoor Discus Locks with Key, 2-Pack Keyed-Alike
Price
Ratings
(539)
(125)
(254)
(355)
Lock TypeKeyedKeyedKeyedKeyed
Lock Product TypePadlockPadlockPadlockPadlock
Number of locks in pack1232
Shackle clearance (in.)0.6252.51.5.625
Keying TypeKeyed DifferentlyKeyed AlikeKeyed AlikeKeyed Alike
MaterialStainless SteelSteelSteelStainless Steel
Lock materialSteelSteelSteelSteel
View ProductView ProductView ProductView Product

Specifications

Dimensions

Body width (in.)
2.75
Product Depth (in.)
1.33
Product Height (in.)
1.33
Product Width (in.)
3.9 in
Shackle clearance (in.)
0.625
Shackle diameter (in.)
0.375

Details

Adjustable shackle
No
Coated
N
Color
Grey
Color Family
Gray
Hardware Color Family
Gray
Key material
Brass
Keying Type
Keyed Differently
Keys & Accessories Product Type
Padlock
Lock material
Steel
Lock Product Type
Padlock
Lock Type
Keyed
Locking mechanism
Lever
Material
Stainless Steel
Multi-pack keyed alike
No
Number of locks in pack
1
Number of Pins
4
Product Weight (lb.)
0.65
Rekeyable
No
Returnable
90-Day
Shrouded shackle
Yes
Weatherproof
No

Warranty / Certifications

Manufacturer Warranty
Limited Lifetime

Questions & Answers

24Questions32Answers

How do you lock it

Asked by KC September 24, 2020
5
Answers

It comes with a pair of keys. Insert a key and turn the lock. The direction of the turn Of the key moves the latch. Right to open. Note mine failed to work last week as it is to my RV storage. I contact Master Lock and they are replacing free of any charges. Lifetime Warranty

I need 16 locks. Can they be ordered keyed alike? When i went to check there was no place to ask ...

Asked by carwash August 15, 2020
2
Answers

Don't buy one (or 16) of these. It is a giant piece of junk! Visit your local locksmith. They will have a product that is better, and can be keyed alike.

What type of lock cutter is use on this

Asked by Fish July 13, 2020
1
Answer

I assume you are asking how this lock can be cut off a hasp. Its designed to be more or less impossible to cut off. I believe if I were to try I would use a grinder with a cut off wheel, or if it is on a hasp, I would cut the loop on the hasp. I no longer use mine as it rusted up so I could not open it. I cut the chain it was securing

Is this a lever or ball bearing locking mechanism? The specifications from the Home Depot site sa...

Asked by Curious June 26, 2020
2
Answers

I have not disassembled the lock, but have used several and I believe they are ball bearing. The movement is very smooth. I have used them in the outdoor applications for years with no problem.

I can't get the key out.

Asked by B1 May 12, 2020
4
Answers

Yeah, 2 of mine did that. This particular lock sucks.

is it large enough to work on a shipping container?

Asked by Jasper April 9, 2020
3
Answers

Yes, we put this on a container just a couple weeks ago. It has a nice snug fit making it difficult for anyone to tamper with.

Does this lock have a BHMA grade?

Asked by Brian January 19, 2019
2
Answers

Stop

What type of key is used on this lock

Asked by clip57gi October 4, 2018
7
Answers

Standard MasterLock M1 key.

is it possible to get these locks with 2408 code for keys

Asked by alen September 25, 2018
3
Answers

I did see lock codes on the packaging

This item appeared as an optional accessory when I ordered a window air conditioner. Has someone...

Asked by Mojave July 5, 2018
3
Answers

Id say that was an upsale attempt by HD.

M40XD Magnum Heavy Duty Outdoor Discus Lock with Key, 1-Pack - page 2

Customer Reviews

  • 4.1
    out of 540 reviews
  • 75% recommend this product
Filter by:
Showing 1-10 of 540 reviews
NOT weather resistant!!
Used this lock to keep a storage locker secure which in fairness it DID do. HOWEVER when trying to remove it, each key failed to turn it even a little and a slight jostle of the lock had water dripping freely from the lock. Be sure that if you want it to come off, you also have access to an angle grinder and a metal disc.
by Sam
Very strong lock and mechanism feels smooth.
Very strong lock and mechanism feels smooth.
by LockMaster
Great Lock. Perfect for my Tool Shed.
Great Lock. Perfect for my Tool Shed.
by jotoco
Very secure, built well. Meets my expectations.
Very secure, built well. Meets my expectations.
by Mike
1 person found this helpful
Lasted 2 weeks - Made in China
Purchased this lock to replace another just like it that became impossible to operate. The new lock lasted 2 weeks. The key stuck in half open position and the shank moves freely by hand.
by Rich
Response from MasterLockCompanyMay 10, 2021
We appreciate your feedback and apologize for your inconvenient experience with this product. Master Lock does stand behind its product and if you could please contact our Customer Support at 800-464-2088 US, 1-800-227-9599 CAN we can assist you. MasterLock
The lock cylinder is upside-down and the key design makes...
The lock cylinder is upside-down and the key design makes it difficult to operate unlocking and locking the bolt. Poor design at best.
by HomeDepotCustomer
Response from MasterLockCompanyMay 4, 2021
We apologize for your experience with this product. Master Lock does stand behind its product. Please contact Master Lock Customer Support at 800-464-2088 to better assist you with this product. MasterLock
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
Absolute garbage do not buy...
Absolute garbage do not buy
by Michael
Response from MasterLockCompanyMay 4, 2021
We apologize for your experience with this product. Master Lock does stand behind its product. Please contact Master Lock Customer Support at 800-464-2088 to better assist you with this product. MasterLock
by HomeDepotCustomer
Horrible, broke after using it four times. The lock just...
Horrible, broke after using it four times. The lock just seized up. Could not lock it, the key would not turn. I had to leave my storage unit unattended with no lock to go purchase a new one.
by Nat
Response from MasterLockCompanyMay 3, 2021
We apologize that the lock did not meet your expectations. Master Lock does stand behind its product and if you could please contact our Customer Service Department at 1-800-464-2088 we can provide assistance. MasterLock
Showing 1-10 of 540 reviews