Home > Gainsborough Architectural Hardware > Locksets & Deadbolts

4500 Series Product Illustration Description Backset Cat No#. Entrance/Escape Lockset Key unlocks outside lever Turnbutton inside locks and unlocks outside lever Inside lever remains free at all times Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4500 4501 4502 Glass Door Lockset Double cylinder Lock is opened by lever from either side Key from either side locks or unlocks both levers Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4510 4511 4512 Passage Set Latchbolt operated by both levers at all times 70mm 60mm 127mm 4520 4521 4522 Privacy Lockset Both levers are locked or unlocked by turnbutton inside In case of emergency, the outside handle can be unlocked by a coin or screwdriver in the button 70mm 60mm 127mm 4530 4531 4532 Patio Lockset Both levers are locked or unlocked by turnbutton in the inside lever Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4540 4541 4542 Classroom Lockset Outside lever is locked or unlocked by key in outside knob Inside lever is always free Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4550 4551 4552 Storeroom Escape Lockset Key in outside lever retracts latch Outside lever remains rigid Inside lever remains free at all times Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4560 4561 4562 Communication Lockset Double Cylinder Latchbolt operated by levers both sides except when either lever is locked by key in its own cylinder Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4570 4571 4572 Exterior Escape Lockset Latchbolt operated by inside lever Outside lever remains rigid Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4580 4581 4582 Exterior Escape Half Set Latchbolt operated by inside lever Blank plate outside Auxiliary bolt deadlatches latchbolt when door is closed 70mm 60mm 127mm 4590 4591 4592 Dummy Trim Single dummy trim for one side of door 70mm 455D