Falcon D121 Grade 1 Heavy-Duty...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$179.00
$120.71
Falcon Falcon D121 Single Cylinder x Rose Function - Grade 1 Heavy-duty Deadbolt Locks FAL-D121

Falcon D121 Grade 1 Heavy-Duty Single Cylinder Deadbolt with Blank Rose

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Model: D121P 626
$179.00
$120.71
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$179.00
$120.71
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Falcon D121 Grade 1 Heavy-Duty Single Cylinder Deadbolt with Blank Rose

Professional-Grade Security for Commercial Applications

The Falcon D121 deadbolt delivers Grade 1 certified performance with single cylinder x blank rose configuration for demanding commercial environments. Featuring a solid sintered steel bolt with hardened steel anti-saw pin, adjustable 2-3/8" or 2-3/4" backset, and 1-3/8" to 1-7/8" door thickness compatibility. ANSI/BHMA A156.5 Grade 1 certification ensures reliable operation in institutional, government, military, hospital, office and retail applications.

Professional Features & Benefits

  • Door Compatibility: Accommodates door thickness from 1-3/8" to 1-7/8" with adjustable backset of 2-3/8" or 2-3/4" for versatile installation options.
  • Heavy-Duty Construction: Solid sintered steel bolt with hardened steel anti-saw pin insert provides maximum security against forced entry attempts.
  • Grade 1 Durability: ANSI/BHMA A156.5 Grade 1 certification ensures reliable performance in high-traffic commercial applications.
  • Anti-Pry Protection: Free spinning, tapered trim ring resists wrenching and prying attacks while integrated security shield protects bolt from ice-pick attacks.
  • Reinforced Installation: Metal dust box reinforcer with three 3" screws anchors deep into wood door frames to protect against kick-in attacks.
  • Adjustable Backset Design: Lock-in-place helix design allows field adjustment between 2-3/8" and 2-3/4" backsets without disassembly.
  • Professional Keying Options: Available in Conventional and SFIC formats with G keyway standard, plus factory master keying available on Schlage C keyways.
  • Complete Installation Package: Includes 1-1/8" x 2-1/4" square corner faceplate, 1-1/8" x 2-3/4" square corner strike, and two nickel silver cut keys.

Technical Specifications

  • ANSI/BHMA: A156.5, 2001, Grade 1
  • Commercial/Residential: Commercial
  • Cylinder and Keyways: G Keyway
  • Department: Door Hardware
  • Duty Level: Heavy Duty
  • Electronic: No
  • Grade: Grade 1
  • Keyed: Yes
  • Keyed Function: Single Cylinder
  • Keys Included: 2
  • Lock Function: Deadbolt
  • Product Attribute: Deadbolts
  • Product Category: Mechanical Locks
  • Product Function: Cylinder x Blank Rose
  • Product Group: Mechanical Locks
  • Product Model: D121
  • Product Subgroup: Bored Locksets
  • Product Type: Deadbolts
  • Series: D100 Series
  • Standard Strike: Square Corner with metal dust box, 1-1/8" x 2-3/4"
  • Subcategory: Deadbolts

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness between 1-3/8" and 1-7/8", and determine appropriate backset setting of 2-3/8" or 2-3/4".
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the 1" housing diameter deadbolt.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for the 1-1/8" x 2-1/4" faceplate.
  4. Install the metal dust box reinforcer with three 3" screws and secure the deadbolt assembly to door per manufacturer torque specifications.
  5. Adjust the lock-in-place helix backset design for proper alignment and verify smooth operation of the 1" throw deadbolt.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Institutional Facilities
  • Government Buildings
  • Military Installations
  • Healthcare Institutions
  • Commercial Office Buildings
  • Retail Establishments
  • Educational Facilities

Manufacturer Resources

Why Choose Falcon Quality?

Falcon D121 deadbolts deliver professional-grade reliability with solid sintered steel construction and hardened steel anti-saw pin protection rated for Grade 1 commercial applications. ANSI/BHMA A156.5 certification and metal dust box reinforcement with three 3" screws ensure dependable security performance. Engineered for demanding institutional and commercial environments where maximum security and reliable operation are essential.

Product Specs

Series:
D100 Series
Subcategory:
Deadbolts
Grade:
Grade 1
Duty Level:
Heavy Duty
Keyed:
Yes
Keys Included:
2
Standard Strike:
Square Corner with metal dust box, 1-1/8" x 2-3/4"
ANSI/BHMA:
A156.5, 2001, Grade 1
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Deadbolts
Electronic:
No
Keyed Function:
Single Cylinder
Commercial/Residential:
Commercial
Cylinder and Keyways:
G Keyway
Lock Function:
Deadbolt
Product Attribute:
Deadbolts
Product Model:
D121
Product Function:
Cylinder x Blank Rose
Product Category:
Mechanical Locks
Department:
Door Hardware

Falcon D121P 626 – Frequently Asked Questions

1) What is the Falcon D121 deadbolt designed for?
The Falcon D121 is a Grade 1 heavy duty single cylinder deadbolt with rose function. It's built for commercial applications requiring maximum security and durability.
2) What door thicknesses does the D121 fit?
Standard door thickness compatibility is typically 1-3/8" to 1-3/4". Check the manufacturer template for specific measurements and verify your door thickness before installation.
3) How do I determine the correct handing for this deadbolt?
Stand on the outside of the door. If hinges are on the right, it's right hand. If hinges are on the left, it's left hand. The cylinder goes on the exterior side.
4) What finishes are available for the Falcon D121?
Falcon typically offers satin chrome, polished brass, and oil rubbed bronze finishes. Verify available finishes when ordering as options may vary by model.
5) What makes this a Grade 1 deadbolt?
Grade 1 is the highest ANSI/BHMA security rating. It withstands 10 strike tests at 75 foot-pounds and 1,000,000 cycle tests. Built for heavy commercial use.
6) Can this deadbolt be keyed to match existing locks?
Yes, the cylinder can be keyed to match your existing system. Provide key codes or sample keys when ordering for keying compatibility.
7) What's included with the Falcon D121 deadbolt?
Typically includes the deadbolt assembly, cylinder, interior thumb turn, mounting hardware, and strike plate. Installation template and instructions are also provided.
8) What are the basic installation requirements?
Requires standard 2-1/8" cross bore and 1" edge bore holes. Door must be properly aligned and frame must be square. Follow manufacturer template exactly.
9) How do I maintain the D121 deadbolt?
Lubricate cylinder and bolt mechanism every 6 months with graphite spray. Check alignment periodically. Avoid over-tightening screws during maintenance.
10) Are there matching entrance locks available?
Yes, Falcon offers coordinating entrance locks and leversets that match the D121 series. Check our Falcon collection for compatible options.
11) Will this deadbolt work in harsh weather conditions?
The Grade 1 construction provides excellent weather resistance. However, ensure proper door and frame sealing to prevent water infiltration around the lock.
12) What's the bolt throw length on the D121?
Standard bolt throw is typically 1" for maximum security engagement with the strike plate. Verify specifications match your door frame requirements.
How fast can I get the Falcon D121P 626 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 Falcon D121P 626 come with a warranty?
Absolutely. The Falcon D121P 626 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 Falcon D121P 626?
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 Falcon D121P 626 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.

Product Reviews

  • 5
    EXCELLENT

    Posted by JOSE AGUILAR on Mar 18th 2025

    I am very satisfied with this deadbolt, the service from Zensupply is the best.

!