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Marks USA 145KL Single Cylinder Deadbolt - Grade 1 Defender Cylindrical Cartridge Deadlatch, Cylinder x Lever
Marks USA manufactures a versatile series of grade 1 deadlatches and deadbolts which install easily and accept most other manufactures conventional, high security and IC core cylinders.
Features:
- Deadbolt: ANSI 156.5 grade 1 (UL fire ratings not applicable)
- Deadlatch: ANSI 156.5 grade 1, UL fire rated 3 hours
- Accepts Medeco, Kaba, Multilock, ASSA and other high security cylinders
- IC core models for "Best" size cores
- Accepts most manufactures conventional cylinders
- Unitized assemblies for 2-1/8” bore
- Tapered cylinder collars prevent (break in attempts by) wrenching
- Steel shutter system eliminates access to mounting screws when door is locked.
- Series 1 cylindrical cartridge
- Unitized assemblies for 2-1/8” bore
Specifications:
- Latch: Grade 1, 9/16” throw, 2-3/4” backset
- Strike: #1136, 2-3/4” strike
- Door Thickness: 1-3/4”; For 1-3/8” doors use spacer rings K1442/32D
- Cylinder: Marks “C” keyway, 6 pin w/ 2 keys
- Latch front: 1-1/8” x 2-1/4”
Functions:
- K: Cylinder x turnpiece
- L: Communicating single cylinder
- M: Double cylinder
- KL: Cylinder x lever
- X: Turnpiece x blank plate
- KK: Cylinder x knob
Manufacturer Resources
Product Specs
- Latch Front:
- 1” x 2-1/4”
- Grade:
- Grade 1
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Deadbolts
- Subcategory:
- Cylindrical Locks
- Commercial/Residential:
- Commercial
- Keyed:
- Yes
- Function Description:
- Single Cylinder Deadbolt
- Product Attribute:
- Deadbolts
- Product Function:
- Cylinder x Thumbturn
- Latch Type Specification:
- Deadlocking
- Keyway Profile:
- Marks C
- Product Material:
- Stainless Steel
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
Marks USA MAR145KL – Frequently Asked Questions
How fast can I get the Marks USA MAR145KL 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 MAR145KL come with a warranty?
Absolutely. The Marks USA MAR145KL 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 MAR145KL?
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 MAR145KL 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.