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A cylindrical lock includes a lock main body mounted in a mounting hole of a door, an inside rose liner, an outside rose liner, and two mounting rods. The lock main body includes a hub having an inside hub and an outside hub. The hub including two diametrically disposed recessed portions extending a

A cylindrical lock includes a lock main body mounted in a mounting hole of a door, an inside rose liner, an outside rose liner, and two mounting rods. The lock main body includes a hub having an inside hub and an outside hub. The hub including two diametrically disposed recessed portions extending along an axial direction of the hub. The inside rose liner is securely mounted around the inside hub and has two holes. The outside rose liner includes a central hole in threading engagement with the outside hub. The outside rose liner includes two engaging slots aligned with the holes of the inside rose liner. Each mounting rod includes a first end with a screw hole and a second end engaged in an associated one of the engaging slots of the outside rose liner. The mounting rods are respectively positioned in the recessed portions of the hub.

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1. A cylindrical lock comprising:a lock main body adapted to be mounted in a mounting hole of a door, the lock main body including a hub having an inside hub end an outside hub, the hub including two diametrically disposed recessed portions extending along an axial direction of the hub; an inside ro

1. A cylindrical lock comprising:a lock main body adapted to be mounted in a mounting hole of a door, the lock main body including a hub having an inside hub end an outside hub, the hub including two diametrically disposed recessed portions extending along an axial direction of the hub; an inside rose liner securely mounted around the inside hub, the inside rose liner including two holes; an outside rose liner including a central hole in threading engagement with the outside hub, the outside rose liner including two engaging slots aligned with the holes of the inside rose liner; and two mounting rods each including a first end with a screw hole and a second end engaged in an associated one of the engaging slots of the outside rose liner, the mounting rods being respectively, only partially received and positioned in the recessed portions of the hub, and each said mounting rod being adapted to be only partially received and positioned in an associated one of two positioning grooves in the door to which the cylindrical lock is mounted. 2. The cylindrical lock as claimed in claim 1, wherein each said engaging slot of the outside rose liner includes an enlarged section for allowing insertion of the second end of an associated one of the mounting rods.3. The cylindrical lock as claimed an claim 2, wherein the second end of each said mounting rod includes a cutout to form an end piece the cutout of each said mounting rod being sized to fittingly receive a thickness of the outside ruse liner.4. The cylindrical lock as claimed in claim 1, wherein each said recessed portion of the hub is sized to fittingly receive a width of an associated one of the mounting rods.5. A cylindrical lock comprising:a lock main body mounted in a mounting hole of a door, the lock main body including a hub having an inside hub and an outside hub, the hub including two diametrically disposed recessed portions extending along an axial direction of the hub; an inside rose liner securely mounted around the inside hub, the inside rose liner including two holes; an outside rose liner including a central hole in threading engagement with the outside hub, the outside rose liner including two engaging slots aligned with the holes of the inside rose liner, and two mounting rods each including a first end with a screw hole and a second end engaged in an associated one of the engaging slots of the outside rose liner, the mounting rods being respectively, only partially received and positioned in the recessed portions of the hub, and each said mounting rod being only partially received and positioned in an associated one of two positioning grooves in the door to which the cylindrical lock is mounted. 6. The cylindrical lock as claimed in claim 5, wherein each said engaging slot of the outside rose liner includes an enlarged section for allowing insertion of the second end of an associated one of the mounting rods.7. The cylindrical lock as claimed in claim 6, wherein the second end of each said mounting rod includes a cutout to form an end piece, the cutout of each said mounting rod being sized to fittingly receive a thickness of the outside rose liner.8. The cylindrical lock as claimed in claim 5, wherein each said recessed portion of the hub is sized to fittingly receive a width of an associated one of the mounting rods.9. A cylindrical lock comprising:a lock main body mounted in a mounting hole of a door, the lock main body including a hub having an inside hub and an outside hub, the hub including an outer periphery, the hub further including two diametrically disposed recessed portions extending along an axial direction of the hub and extending inward of the outer periphery of the hub; an inside rose liner securely mounted around the inside hub, the inside rose liner including two holes; an outside rose liner including a central hole in threading engagement with the outside hub, the outside rose liner including two engaging slots aligned with the holes of the inside rose liner; and two mounting rods each including a first end with a screw hole and a second end engaged in an associated one of the engaging slots of the outside rose liner, the mounting rods being respectively, only partially received and positioned in the recessed portions of the hub, and each said mounting rod extending beyond the outer periphery of the hub and being only partially received and positioned in an associated one of two positioning grooves in the door to which the cylindrical lock is mounted. 10. The cylindrical lock as claimed in claim 9, wherein each said engaging slot of the outside rose liner includes an enlarged section for allowing insertion of the second end of an associated one of the mounting rods.11. The cylindrical lock as claimed in claim 10, wherein the second end of each said mounting rod includes a cutout to form an end piece, the cutout of each said mounting rod being sized to fittingly receive a thickness of the outside rose liner.12. The cylindrical lock as claimed in claim 9, wherein each said recessed portion of the hub is sized to fittingly receive a width of an associated one of the mounting rods.