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๐ Secure your world with strength and style โ donโt get left unlocked!
The Master Lock 40DPF Stainless Steel Discus Padlock combines a corrosion-resistant stainless steel body with a hardened 3/8 inch diameter shackle and a 4-pin cylinder locking mechanism. Its shrouded design minimizes shackle exposure, enhancing cut and pry resistance, making it ideal for securing garages, sheds, trailers, and storage both indoors and outdoors. Measuring 2-3/4 inches wide, it offers robust security backed by a Limited Lifetime Warranty.

| Additional Features | Cut Resistant |
| Asin | B00004SQKX |
| Best Sellers Rank | #4,132 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #9 in Keyed Padlocks |
| Brand Name | Master Lock |
| Color | Silver |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,902) 4.7 out of 5 stars |
| Finish Types | Polished |
| Global Trade Identification Number | 00071649030147 |
| Included Components | 1 Master Lock Manufactured Product |
| Item Dimensions | 0.2 x 6 x 3.4 inches |
| Item Type Name | Discus Padlock |
| Item Weight | 0.6 Pounds |
| Lock Type | 4-pin cylinder and dual locking lever mechanism |
| Manufacturer | Master Lock |
| Manufacturer Part Number | 40DPF |
| Manufacturer Warranty Description | Limited Lifetime |
| Material Type | Stainless Steel |
| Model Name | Stainless Steel Discus Padlock |
| Model Number | 40DPF |
| Number Of Pieces | 10 |
| Recommended Uses For Product | Security |
| Shape | NO |
| Smart Home Compatibility | Not Smart Home Compatible |
| Style Name | Modern |
| Unit Count | 1.0 Count |
| Upc | 723434574588 182682945111 071649011382 343538051510 071649030147 071649101434 074748348427 071649015083 089837292802 077349962108 025706603218 657819388777 795871334643 |
User
Great Lock
Great durable lock and a lot more affordable than buying it at the home improvement store. Overall a great value for the price paid.
User
Solid security and durability for a reasonable price
The Master Lock Padlock, Stainless Steel Discus Lock is a sturdy and reliable lock that feels built to last. The stainless steel design resists rust and weather well, making it great for outdoor use on storage units, gates, or sheds. Itโs easy to use, and the discus shape adds extra protection against bolt cutters. Overall, it offers solid security and durability at a reasonable price.
User
A Very Good and Tough Lock
This is an update to my last review that I made about 4 years ago. I purchased this lock in September, 2011. This lock has held up very well and is extremely secure. I have used this padlock at the gym to lock my valuables. The lock continues to work well, it remains sturdy, and is reliable. For the most part, it is the best padlock that I have used.I just received this lock. For the most part, its studier and heavier than the ordinary combination padlocks I used in the past. The locking shackle and the body of the lock are much tougher and has very little play when locked. However, this is only a preliminary assessment. I will update my review of this product after placing and testing the lock in the field.
User
Good luck
I like it itโs secure and easy to use on my shop
User
Good lock, flimsy keys
Good dependable lock (for indoor use). Over time (3 years), the keys begin to bend. I tossed the first because I was afraid it would break in the lock. Now the second is bent, and I'm replacing the whole lock and key set.
User
Good sturdy lock
I use this exact lock on the gate across my driveway. I am on my second lock in 16+ years. The first one became difficult to open, so I replaced it with one of these locks that I bought locally. The lock I am using now still works fine, but it is starting to rust. I can't find these locally anymore. All they have are the part plastic ones. I can't use plastic because sometimes they get water in them from snow or rain and I have to deice them with a blow torch. A good way to prevent that is to put a plastic freezer bag over it with a rubber band, but sometimes I forget. Anyway, I never inspected my old lock very closely. As far as I can tell, these locks are just as sturdy and well made as the one I have. I bought two locks in two separate packages. The keys fit well and the locks open and close properly and easily. They also have two separate keys and are not interchangeable. I did that on purpose just to see what I would get because other reviews say they are all keyed alike. Mine are not.
User
Durable and reliable lock for storage
I've owned several of these over the years and the only reason I've ever had for replacing one was having lost the previous.These are fantastic locks, light weight but durable and very reliable; though if you are going to be using one outdoors, a spot of WD-40 every so often will keep it operating smoothly.
User
Sturdy Lock
Very durable lock I am using on my storage unit. Easy to use and comes with two keys.
User
Seems sturdy. Good lock.
Cons:-space between covers is not welded shut. Think would be easy for water to run in and freeze.Pros:-smooth action. Key turns nicely- very little of actual lock is showing. Think it should be hard to break into.Good lock
User
Good quality
Great lock
User
Very good
Very good
User
Durable and dependable
Ridiculously good price! The lock operates smoothly enough and doesn't seem to mind the weather. It lives on my shed.
User
Good quality Lock
Good quality Lock. Has been outside for a week and is starting to rust- maybe not designed for outdoor use
Trustpilot
1 month ago
5 days ago