ESP Threaded Hex Nut
Sku: PTR-656UN-HN
Threaded Hex Nut Mailbox Lock w/ 2 Keys Details
Universal Mailbox Lock Package with Hex Nut. HL1 (Hudson Lock Replacement). 1 lock (Non Dust Shuttered) w/ 2 keys, 5 OEM replacement cams. Key rotates counter-clockwise 90 degrees. Key removable in locked position only. NOTE: Extra keys may only be purchased with the purchase of a new lock.
Price: $8.37
24 in Stock. More on the way! Arriving by 05/29/2026.
Bulk Pricing
2 units
$7.37 ea
5 units
$6.37 ea
10 units
$5.37 ea
SKU: PTR-656UN-HN
Free shipping not eligible
Ships free when your cart contains only free-shipping items and totals $25+.
Extra Keys $7.17 each
To add extra keys, PTR-656UN-HN must be in the cart.
SKU: PTR-656UN-HN
Product Description
ESP is the only US manufacturer that offers threaded cylinders mounted with a Hex Nut. This feature insures Higher Security and accommodates any door thickness. Each lock is keyed differently.
Secure your mailbox or storage compartment with the ESP threaded hex nut mailbox lock with 2 keys, available at EasyKeys.com. This durable replacement mailbox lock features a threaded body and hex nut for quick, secure installation on residential and commercial mailboxes, parcel boxes, and enclosures. Designed for smooth operation and reliable security, the lock includes two matching keys for immediate use. Ideal for homeowners, property managers, and maintenance professionals replacing worn or damaged mailbox locks. Built for long-lasting performance and easy installation, this ESP mailbox lock delivers dependable access control. Fast shipping and trusted quality guaranteed.RECOMMENDED PRODUCTS
Added To Cart!
Want it delivered Thursday, April 30, 2026? Order by 5pm
EST
Wednesday, April 29, 2026
choose FedEx Overnight shipping.
My Cart
There are no items in your cart.
Spend $25 and you may receive FREE shipping!
Orders of $25 or more of eligible items may qualify for FREE Shipping.
We provide tracking & delivery confirmations on all USPS & FedEx shipments. View Terms
Email &
Live
Chat Service
8:30 AM - 5:00 PM ET M - F
Use LiveChat & Email
(real humans)
Customer Reviews
What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
John
Apr 28, 2026
“so far it was perfect! I will let you know if the key works thank you”
Claudia
Apr 28, 2026
“Seems ok, I’ll know when I receive the keys if they fit in the lock I’m trying to open.”
Richard
Apr 28, 2026
“easy to navigate”
Chris
Apr 28, 2026
“Very easy to search and find the exact keys I need. And reasonable prices. ”
Carlos
Apr 28, 2026
“Very good ”
Michael
Apr 28, 2026
“Very Easy!”
Herbert
Apr 28, 2026
“I found the product I needed very quickly. The actual process of checking out was choppy.”
Matthew
Apr 27, 2026
“fine”
Sandra
Apr 27, 2026
“Easy to use - very quick ”
Jill
Apr 27, 2026
“Easy peasy! Thank you so much!!”
Joe
Apr 27, 2026
“Great Service ”
Nancy
Apr 27, 2026
“I'm hoping the recommendation your system made for a replacement key for my lock (HUDSON F001) will work. Fingers crossed.”
Yogi
Apr 27, 2026
“Very helpful and fast”
Patrick
Apr 27, 2026
“Fast and easy”
Marj
Apr 27, 2026
“No very clear instructions when checking out, didn't let me know that I missed a step, instead just kept showing same page”
Elizabeth
Apr 27, 2026
“Great site. Easy tonise”
Dawn
Apr 27, 2026
“Very prompt responses to questions, updates on status, and easy linking of response to item needed. ”
Mike
Apr 26, 2026
“Good order experience”
Jason
Apr 26, 2026
“Great”
Larry
Apr 26, 2026
“Tried to order on my phone but for some reason it would not recognize my attached photos so I used my laptop to complete the order, other than that issue it went smoothly... ”