TownSteel DRX-18 Anti-Ligature...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$284.00
$227.85
TownSteel TownSteel DRX-18 Thumbturn Only - Heavy Duty Anti-Ligature Thumbturn ANSI Grade 1 Mortise Deadbolt TWS-DRX-18

TownSteel DRX-18 Anti-Ligature Thumbturn Deadbolt, ANSI Grade 1 Certified

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Model: DRX-18-630
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$284.00
$227.85
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TownSteel DRX-18 Anti-Ligature Thumbturn Deadbolt, ANSI Grade 1 Certified

The TownSteel DRX-18 is an ANSI/BHMA A156.13 Grade 1 certified, UL Listed heavy duty deadbolt featuring the F18 function - thumbturn operation from one side only with no trim on the opposite side. The health safety thumbturn design helps reduce accident and ligature risk in healthcare facilities, detention centers, and other high-risk areas. This ADA compliant, non-handed deadbolt fits 1-3/4" thick doors with a 1-1/8" x 3-1/2" standard strike and 1-1/4" x 4-5/8" face plate, and meets BAA requirements for government procurement.

Key Features

  • Door Preparation Dimensions: Fits 1-3/4" thick doors with a 1-1/8" x 3-1/2" standard strike and 1-1/4" x 4-5/8" face plate.
  • ANSI Grade 1 Durability: Heavy duty commercial quality construction provides a positive deterrent to forced entry.
  • F18 Thumbturn-Only Function: Operated by turn from one side only with no trim on the opposite side.
  • Related Series Functions: DRX Series also offers F07 (key outside, turn inside) and F09 (key outside, turn inside retracts but does not project deadbolt).
  • Health Safety Thumbturn Design: Anti-ligature geometry helps reduce accident risk in health care facilities, detention centers, and high-risk areas.
  • ADA Compliant Operation: Thumbturn design meets ADA accessibility requirements.
  • Non-Handed Installation: Simplifies stocking and installation across left- and right-hand door openings.

Certifications & Compliance

  • ANSI/BHMA A156.13 Grade 1 Certified
  • UL Listed
  • Meets BAA Requirements
  • ADA Compliant

Technical Specifications

  • Series: DRX Series
  • Product Group: Mechanical Locks
  • Product Subgroup: Bored Locksets
  • Product Type: Knobs and Levers
  • Subcategory: Cylindrical Locks
  • Lock Type: Cylindrical
  • Keyed Function: Non-Keyed
  • Product Attribute: Deadbolts
  • Standard Strike: 1-1/8" x 3-1/2"
  • Product Function: Thumbturn Only
  • Door Thickness Range: 1-3/4"
  • Face Plate: 1-1/4" x 4-5/8"
  • Door Hand Direction: Non-handed
  • Product Category: Mechanical Locks
  • Department: Door Hardware

Typical Applications

  • Healthcare Institutions and Behavioral Health Facilities
  • Detention and Correctional Facilities
  • High-Risk Security Areas
  • Educational Facilities
  • Government and Municipal Buildings
  • Commercial Office Buildings

Why TownSteel DRX?

TownSteel DRX Series deadbolts deliver professional-grade reliability with ANSI/BHMA A156.13 Grade 1 certified, UL Listed construction built for demanding commercial and institutional use. The health safety thumbturn design reflects TownSteel's focus on accident prevention in sensitive environments, making the DRX-18 a dependable choice wherever security and occupant safety must work together.

Product Specs

Series:
DRX Series
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Knobs and Levers
Subcategory:
Cylindrical Locks
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Duty Level:
Heavy Duty
Grade:
Grade 1
Keyed Function:
Non-Keyed
Product Attribute:
Deadbolts
Standard Strike:
1-1/8" x 3-1/2"
Product Function:
Thumbturn Only
Door Thickness Range:
1-3/4"
Face Plate:
1-1/4" x 4-5/8"
Door Hand Direction:
Non-handed
Product Category:
Mechanical Locks
Department:
Door Hardware

TownSteel DRX-18-630 – Frequently Asked Questions

1) What does the DRX-18 deadbolt function actually do - is there a key cylinder?
The DRX-18 is the thumbturn-only version: the deadbolt is operated by a turn from one side, with no trim on the other side. It is a non-keyed function, so no cylinder is involved. If you need key operation from the outside with a turn inside, that is the 07 function, and 09 is the variant where the inside turn retracts the bolt but cannot project it.
2) Is the TownSteel DRX thumbturn safe for a behavioral health or detention room?
That is what it was built for. The DRX uses a health safety thumbturn shaped to reduce the chance of a ligature being attached, and TownSteel positions it for health care facilities, detention centers and other high risk areas. The 18 function removes trim entirely on the opposite face, so there is nothing on the patient side to grab if you orient it that way.
3) What face plate and strike sizes do I need to prep the door and frame for the DRX?
The DRX takes a 1-1/4 by 4-5/8 inch face plate on the door edge and a 1-1/8 by 3-1/2 inch standard strike in the frame. Match your existing mortise pocket and strike cutout to those numbers before you order, since anything larger already in the door will leave a gap.
4) Is the TownSteel DRX deadbolt certified for a government or institutional project spec?
It is ANSI/BHMA A156.13 Grade 1 certified and UL Listed, and it meets BAA and ADA requirements. The thumbturn itself is called out as ADA compliant, which matters where the deadbolt has to be operable without tight grasping or twisting of the wrist.
5) Can I use the DRX-18 as the only lock on a room door?
Only if the room does not need keyed access from the corridor side. With the 18 function there is no outside operation at all, so staff cannot get in from the other face. In patient rooms and cells where staff override is required, spec the 07 function (key outside, turn inside) or 09 (key outside, inside turn retracts only) instead of the 18.
6) My door is 1-3/8 inch. Will the TownSteel DRX-18 fit, or do I need something else?
The DRX-18 is specified for 1-3/4 inch doors only. For a 1-3/8 inch door, the Cal-Royal Barrington BA series covers 1-3/8 to 1-3/4 inches - the BA00 entrance, BA03 classroom, BA04 communicating and BA05 storeroom all share that range - and the Falcon K501 covers 1-3/8 to 2-1/4 inches. Those are cylindrical locksets rather than thumbturn deadbolts, so they change the function of the opening as well as the fit.
7) I need a keyed deadbolt on a behavioral health door, not a thumbturn-only one. What else works?
The TownSteel DRX-18 is a non-keyed thumbturn deadbolt, so there is no outside key control on it. If the opening needs key operation from the corridor side, the Falcon K501 is a Grade 1 heavy duty entrance lock with a push-turnbutton function that accepts a key from outside, on doors 1-3/8 to 2-1/4 inches thick. It is a latching entrance lockset rather than a deadbolt, so confirm the opening can be secured with a latch instead of a bolt before substituting.
8) Do I need to specify a hand for the DRX-18 deadbolt?
No handing to call out. The DRX-18 is non-handed, so the same part works on a left or right hand door swinging either direction. You only decide which face of the door carries the thumbturn.
9) Is the DRX a deadbolt on its own, or does it latch the door too?
It is a deadbolt only, heavy duty commercial grade, meant as a deterrent to forced entry. There is no latchbolt, so the door still needs a separate latching lockset, passage set or closer arrangement to keep it shut when the bolt is thrown back.
10) Is the Cal-Royal BA05 storeroom lock an equivalent to the TownSteel DRX-18?
No. The DRX-18 is a non-keyed thumbturn deadbolt certified to Grade 1, used where the room is secured by a turn on one side. The Cal-Royal BA05 is a storeroom-function cylindrical lock for doors 1-3/8 to 1-3/4 inches thick, where the outside is always locked and entry is by key. They secure the door by different means and are not interchangeable in a schedule.
11) What Grade 1 alternative is there if I want a lockset rather than a separate deadbolt?
The TownSteel DRX-18 is a Grade 1 heavy duty deadbolt with a thumbturn and no key. If you would rather secure the opening with a single lockset, the Falcon K501 is also Grade 1 heavy duty, is fire rated, and uses an entrance push-turnbutton function. It handles latching and locking in one device, while the DRX-18 is typically paired with separate door trim or a passage set.
12) We want remote release on a patient room door. Is there an option instead of the DRX-18 thumbturn?
The DRX-18 is a mechanical thumbturn deadbolt with no electrical operation. Where staff need to release or secure the door from a control point, the BEST 9KW is a heavy duty electromechanical cylindrical lock with remote control operation. It requires power and wiring to the opening, which the mechanical DRX-18 does not.
13) What finish does the TownSteel DRX-18 come in?
630 satin stainless steel, which is the usual choice for institutional and healthcare openings because it wears well and matches most stainless push plates, hinges and frames already in those buildings.
14) Classroom door - should I spec the DRX-18 or the Cal-Royal BA03?
The Cal-Royal BA03 is a classroom-function cylindrical lock for doors 1-3/8 to 1-3/4 inches thick, which is the conventional choice for a classroom opening. The TownSteel DRX-18 is a Grade 1 thumbturn deadbolt with an anti-ligature turn and no keyed side, aimed at behavioral health, detention and similar high risk areas rather than general classroom use.
15) I have two rooms sharing a door and need locking from both sides. Does the DRX-18 do that?
No. The DRX-18 is a thumbturn-only deadbolt, operated from one side with no trim on the other. For a shared opening that must be locked from either room, the Cal-Royal BA04 is a communicating-function cylindrical lock for doors 1-3/8 to 1-3/4 inches thick.
How fast can I get the TownSteel DRX-18-630 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 TownSteel DRX-18-630 come with a warranty?
Absolutely. The TownSteel DRX-18-630 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 TownSteel DRX-18-630?
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
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