TL4 Series Interior Locks

ANSI/BHMA 156.2 Grade 2 Tubular Lever Sets

Our TL4 Latch is commercial grade with a 28 degree latch retraction to meet ADA requirements; pair with designer INOX trim for your most beautiful options. Also available with a 3-hour fire-rated latch.


INOX TL4 series interior latch sets consist of beautifully designed trim made of stainless steel or forged brass, a spring-assisted interlocking chassis, and a commercial grade tubular latch, making it the perfect choice for high-end residential, mixed use, and hotel or other hospitality openings.

A 28 degree short retraction latch design makes for easier operation, and hardened steel hubs inside the latch prevent lever sag for extended life of the set

Meets ANSI/BHMA Grade 2 Standards. All lever sets meet ANSI A117.1 Accessibility (ADA Compliant). UL10B/UL10C fire rated TL4 latch available.



Door Thickness: 1-3/8" (35mm) to 1-3/4" (44mm)
Latch Backset: 2-3/8" (60mm) or 2-3/4" (70mm)

Handing: Field reversible for Passage or Privacy functions; specify for Half Passage or Passage with Privacy Bolt
Latch Faceplate: 1" x 2-1/4" standard square corner
Lever Spindle: 8 x 8mm square 
Lever Retraction: 28 degree
Standard Latch: TL4 Tubular Latch
Standard Strike: Ships with both full-lip strike and T-strike with square corners.


  • ANSI/BHMA A156.3 Grade 2
  • Fire-rated latch tested for UL10B and UL10C to 3 hours
  • UBC Standard 7-2 (1997) NFPA 252
  • NFPA 80 National Fire Protection - Fire Door Assembly
  • NFPA101 National Fire Protection - Life Safety
  • ANSI/BHMA A156.18 Finishes
  • ANSI A117.1 ADA Accessibility for lever sets (knob sets are not compliant)

Long Lasting Quality

Stainless steel latch stabilizer bracket designed to handle heavy torque on the 28 degree latch retraction. Internal spring prevents lever droop so your handle remains horizontal for the life of the product.

Grade 2 Certification to 400,000 cycles

Latch options include:

  • 3-Hour Fire Rated TL4 
  • Dummy Latch Kit for pre-drilled doors
  • TL7 Magnetic Rare Earth Magnetic Latch
Privacy Pin
All privacy latches come with M4 Privacy Pin and Emergency Release Key.
Stainless steel latch stabilizer bracket for top strength and longevity

Handing a Tubular Latch

Simple and quick to rehand an INOX TL4 Passage or Privacy leverset in the field. See video for a demonstration.

  • Easy snap and twist action
  • No tools required
  • Works for standard and 3-hour fire-rated option



Passage L461 and L471

  • Door self-latches when closed
  • Both levers always unlocked

Privacy L462 and L472

  • Door self-latches when closed
  • Door locks when privacy pin is pushed from inside
  • Unlock latch by turning inside lever or by emergency release from hole on outside of rose cover

Half Passage L465 and L475

  • Outside lever always unlocked; inside, dummy rose only
  • Used on pantry or closet if there is no room for an inside lever
  • No egress. Do not select this option for spaces in which person could get trapped inside room
DWG- Tubular Privacy

Parts List

  1. Outside Rose
  2. Outside Lever
  3. Sub-rose
  4. Stabilizing Bracket
  5. Spindle
  6. Interior Bracket
  7. Sub-rose
  8. Inside Lever
  9. Inside Rose
  10. Privacy Pin (for Privacy function)
  11. Screws
  12. Set Screw
  13. TL4 Latch
  14. Latch Faceplate
  15. FP Screws
  16. Strike Screws
  17. Strike
  18. Dust Box

Rose & Escutcheon Options

INOX Designer Levers and TL4 latches can be paired with gorgeous roses and plates to coordinate design across your entire property.

RA243 32 C

RA Rose

2-1/2" (63mm) diameter

Combine with INOX RD or CD Deadbolt for locking functions

SE243 32 C

SE Rose

2-3/8" (60mm) square

Combine with INOX SD or LD Deadbolt for locking functions


SH Plate

4-1/2" x 2-3/8"

Combine with any INOX Deadbolt for locking functions


LA Plate

10-1/2" x 2-1/2"
(267mm x 63mm)

SF Plate

10-1/2" x 2-1/2"
(267mm x 63mm)
GT243 32 C

GT Small Rose

Requires special door prep
2-1/16" (53mm) diameter

Combine with INOX GD Deadbolt for locking functions

GS243 32 C

GS Small Rose

Requires special door prep
2-1/16" (53mm) square

Combine with INOX HD Deadbolt for locking functions



32 swatch lever 221
32 Bright Stainless Steel
32D swatch lever 221
32D Satin Stainless Steel
10B swatch lever 221
10B Oil Rubbed Bronze
19G swatch lever 221
19G Graphite Black
PVD4 swatch lever 221
PVD4 Satin Brass


C19G swatch lever 221
C19G Graphite Black
C19 swatch lever 221
C19 CeraMax Flat Black
CDB swatch lever 221
CDB Dark Bronze
CGY swatch lever 221
CGY Stormy Grey

Not all finishes are standard. Custom finishes including CeraMax are available with MOQ and extended lead times.

Strike Options

Ships with both full-lip strike and T-strike with square corners.
Radius Corner and ASA Strikes also available.

  • Full Lip 1-3/4"  x  2-1/4"
  • T Strike 1-1/8"  x  2-3/4"
  • Full Lip Corner 1-3/4" x 2-1/4"
  • ASA 1-1/4" x 4-7/8"