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🔒 Lock in your safety, unlock your peace of mind!
The Prime-Line U 9919 is a sleek, white diecast sliding patio door lock featuring a 5/16 inch keyed bolt with a 1.5-inch throw. Designed for surface mounting, it offers quick installation and versatile use on patio, shed, and utility doors. Trusted by hundreds for its sturdy build and smooth key mechanism, it adds a reliable layer of security beyond factory locks.
| ASIN | B000XPIGNA |
| Additional Features | Key Lock |
| Best Sellers Rank | #27,541 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #60 in Door Latches & Bolts |
| Brand | PRIME-LINE |
| Brand Name | PRIME-LINE |
| Color | White |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.5 out of 5 stars 537 Reviews |
| Finish Types | White |
| Global Trade Identification Number | 00049793099198 |
| Included Components | Sliding Patio Door Keyed with Bolt Lock |
| Item Dimensions | 1 x 1.19 x 4.75 inches |
| Item Type Name | Sliding Patio Door Keyed with Bolt Lock |
| Item Weight | 9.6 ounces |
| Item dimensions L x W x H | 1 x 1.19 x 4.75 inches |
| Lock Type | Key Lock |
| Manufacturer | Prime-Line Products (Home Improvement) |
| Manufacturer Part Number | U 9919 |
| Manufacturer Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
| Material | Diecast/Steel |
| Material Type | Diecast/Steel |
| Model Name | White, Sliding Patio Door Keyed with Bolt Lock |
| Model Number | U 9919 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Security |
| Shape | D Shape |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | Key Lock |
| Style Name | Modern |
| UPC | 049793099198 |
| Unit Count | 1.0 Count |
J**S
Added extra layer of security
This lock was easy to install and gives me much more peace of mind. It feels sturdy and provides additional security beyond the factory door lock. The key mechanism works smoothly, and the installation instructions were straightforward. If you’re looking for an affordable way to make your sliding door more secure, I’d definitely recommend it.
K**N
Great replacement
Works great
B**O
Great purchase, perfect for us.
This is a great product. We've had a different bolt lock which had a sliding bolt which wasn't attached to the lock. It eventually began falling out of the lock , and was difficult to push up into the lock. This is so easy to install and use with the handle attached to the lock. We bolt the door every time now as its so easy. Where was this when I ordered the first one, it is soooo much better. I recommend this bolt lock highly!
W**N
added safety
easy to install & added safety
L**E
Prime-Line U 9919 White, Sliding Patio Door Keyed with Bolt Lock
works Well
C**R
good quality
very helpful
R**R
Simple & Clear Instruction at PrimeLine.net
Got the simple and clear instruction at PrimeLine.net. Used a pencil to mark the ceiling hole and drilled it first. Tried to open (down) and close (up) many times to ensure the smooth operation into the ceiling hole. Next marked the screws positions on the sliding door frame. Drilled the tiny holes on the sliding door frame at the marked positions. Then drove the actual screws to tighten the lock to the door frame. Besides the enhanced security, this can also prevent autistic and dementia people from eloping.
D**K
Solidly built, great mechanism, useful for purposes other than sliding patio doors
I got this to secure a bi-fold door, which are not easy to secure unless you want an ugly 90-degree latch and a padlock. This solution is much more discrete and appealing looking. I added it to keep my 7 year old daughter out who is like a mouse, constantly stealing food from the pantry and nibbling it. We find wrappers behind and under all the furniture. No more. The pantry is now like a vault. This lock has a VERY long pin. I added door-stop side molding to further secure the door in locked position. Works GREAT!!
M**C
A must to properly secure front door
That is perfect! We use it as a safety pin to protect our condo building door. People use to leave the fix door open, but with this, only security of administration can unlock it!
S**N
Très bon produit A++++
Thank you A +++++
R**L
great product!!
great product… would be great if it locked open AND locked closed. The product was “relatively”easily modified to do just that. Thumbs up!
J**R
works perfect
new in original package, works as described
Trustpilot
4 days ago
2 weeks ago