• 4066 Adams Rite Mortise Thumbturn

*Actual product and finish may vary

Adams Rite 4066 Mortise Thumbturn for use on Adams Rite swinging door hardware.

ANSI/BHMA Type E19211 (Grade 1)

Adams Rite 4036/4066 catalog

4066 Thumbturn

Trim Ring

Furnished. 1/4“ thick, suitable for 1-3/4” thick doors. Available on special order for other door thicknesses.


To operate lock or latch without key. Interchanges with standard 1-5/32“ diameter mortise cylinder. Cams are available to suit the particular Adams Rite lock or latch. 

4036/4066 Options

Dash number specifies type of cam:

-01 for MS® lock, 4900 Deadlatches, etc.

-02 for 4070 Deadbolt

-03 for 2331 Deadbolt

Standard Package

Individually packed with trim ring.

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4066 Adams Rite Mortise Thumbturn

  • $24.00

Available Options