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
23 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
Shipping charges will apply to this item.
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
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Customer Reviews
What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
Jacqueline
May 20, 2026
“Easy process ”
brian
May 20, 2026
“fast and easy”
Elizabeth
May 19, 2026
“So far quick and easy to use. Hope the product delivery is as smooth !”
Aaron
May 19, 2026
“This website is user-friendly. ”
Kimberly
May 19, 2026
“Perfectly easy to find and order what I need.”
Rosellen
May 19, 2026
“Great place to find needed keys!”
Teresa
May 19, 2026
“Very easy to find the key replacement I was looking for and liked that I could upload a picture of the lock to be sure and get the correct one.”
Patricia
May 19, 2026
“Prices are too high.”
Diane
May 19, 2026
“Easy to use”
JEFFREY
May 19, 2026
“SITE WAS EASY TO USE AND I FOUND MY FILE CABINET KEY”
Paul
May 19, 2026
“Favorable...easy to navigate and complete transaction.”
joseph
May 19, 2026
“excellent customer service ”
Marvin
May 19, 2026
“good”
Ray
May 19, 2026
“Easy to order!”
Samuel
May 19, 2026
“Have used your web site a few times. Always easy until this time. Had to do my own research to figure out the difference in the keys and the key codes for a Lund truck topper. Can only hope that I have ordered the correct key.”
Kevin
May 18, 2026
“Easy way to get keys for older cabinets that have sentimental items locked away inside! Thank you!”
Jesse
May 18, 2026
“Easy as always”
Richard
May 18, 2026
“Have used several times for our company. Indeed-Easy keys.”
David
May 18, 2026
“Easy site to use ”
Ed
May 18, 2026
“Seemed easy. Hardest thing was reading the print on the lock.”