Marks USA 21 Series - Entrance...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$299.00
$92.15

Marks USA 21 Series - Entrance Double Cylinder, Unilock Ornamental Iron Mortise Lock, Round Knob

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Model: 21AC/3-W-RHR
$299.00
$92.15
Selected Finish is
Selected Keying is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$299.00
$92.15
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Ornamental Iron Series (9215 Series, 9225 Series, 21 Series, 22 Series, 2750 Series)

Marks USA has been a primary manufacturer of Ornamental Iron Storm Door locks for many years. During that time, many innovative improvements were developed to increase the reliability and ease of installation. Innovations includes the "Uni-Lock" model with single screw assembly, elimination of threaded swivel spindles in favor of the more secure thru-bolted design, helper springs in lever-rose sets, and steel hubs for greater endurance.

Specifications:

  • Door thickness: 1"
  • Series 9 lock body, Backset: 2-1/2"
  • Reversible mortise lock 1" bolt, 1/2" latch projection
  • Lock front: 1" x 7-1/8"
  • Thru-bolted solid brass trim assemblies
  • Spring loaded captivated spindles
  • Cylinder: Marks “A” keyway, 5 pin w/ 2 keys; keyed alike-6
  • Lifetime Mechanical Warranty

Manufacturer Resources

Product Specs

Series:
21 Series
Features:
1/2" Latch Projection; Pring Loaded Captivated Spindles
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Mortise Locks
Subcategory:
Cylindrical Locks
ANSI/BHMA:
ANSI/BHMA, UL Listed
Commercial/Residential:
Commercial
Front Size:
1" x 7-1/8"
Hub Material:
Steel
Product Attribute:
Mortise Locks
Electronic:
No
Door Thickness Range:
1"
Product Category:
Mechanical Locks
Backset (Distance):
2-1/2"

Marks USA 21AC/3-W-RHR – Frequently Asked Questions

How fast can I get the Marks USA 21AC/3-W-RHR delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Marks USA 21AC/3-W-RHR come with a warranty?
Absolutely. The Marks USA 21AC/3-W-RHR is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Marks USA 21AC/3-W-RHR?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Marks USA 21AC/3-W-RHR from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.