Adams Rite

<p>Function: The 4510 Standard Duty Deadlatch offers flexibility of traffic control during and after business hours. A reverse turn of the key while the bolt is held retracted retains the bolt to allow two-way traffic for hospitals, banks, stores, and other buildings which require free entrance at certain times and exit-only at other times. Interchangeable, without stile modification, with any MS1850A or MS1850S</p> <p>Operation: Turn key or operate handle to retract spring-loaded latchbolt. To hold bolt retracted, push it in and secure by reverse turn of key. Uses any standard mortise cylinder with MS&reg; dimensioned cam.</p> <p>Specifications:</p> <p>Bolt Holdback: While bolt is held fully retracted, a reverse turn of the key retains the bolt, allowing the door to be free swinging.</p> <p>Case: Measures 1&rdquo; x 5-13/16&rdquo; x depth. Depth varies by backset (see table on catalog page). Steel with corrosion-resistant plating.</p> <p>Latchbolt: 1/2&rdquo; x 1&rdquo; x 1/2&rdquo; throw. All metal with hardened steel internal pins. Handing is reversible without special tools.</p> <p>Auxiliary Bolt: All metal. Deadlocks latch bolt to prevent &ldquo;loiding&rdquo; or case-knife entry.</p> <p>Strikes: Standard strike furnished is 4902-01 for flat jamb where door closes flush or nearly flush. Available separately: radius strike for opposite stile in paired doors; longer strike (4901) to cover slot strike of MS lock; long lip strikes for centerhung doors.</p> <p>Cylinder Cam: Operable by any standard mortise cylinder with MS&reg; cam, dimensioned as shown. Cylinders with MS&reg; cams can be readily obtained from most cylinder manufacturers. See CYLINDERS&nbsp;for cylinder make, thumbturn and trim ring information.</p> <p>Standard Package: Individually boxed with strike, and machine screws for mounting.</p> <p>Cylinders, paddles, and handles available separately.</p> <p>&nbsp;</p>