
Hardware Products
MORTISE DOOR LOCKS AND CYLINDERS






Steel version - Brass finish - Square corners
Viro mortise door locks with rollers are specifically designed for doors that can be opened by pushing or pulling and are compatible with most cylinders on the market.
- Case:
painted steel completely closed case. DIN standard through holes for insertion of security escutcheons.
- Roller and dead-bolt:
solid brass (except the dead-bolt for 20/25/30 backsets). Adjustable roller (with a screwdriver, in the hole in the roller, when the lock is already mounted) for projections ranging between 2 and 12 mm.
- Mechanism:
- double throw for 35 to 60 mm backsets;
- single throw for 20 to 30 mm backsets.
- Plate and striking:
steel (7438 series). Removable and replaceable plate. Striking plates with square corners and double jamb protection fin.
- Supplied with:
fixing screws for the lock and fixing screw for the cylinder.
- Packaging:
single box.
ADJUSTABLE ROLLER
Item | Backset | Case width | Dimensions Dead-bolt | Throw projection | Double throw | Unit weight (without cylinder) | |
---|---|---|---|---|---|---|---|
No. | mm E | mm A | mm B x D | mm C | No. | g | |
![]() | ![]() | 20 | 35 | 40 x 8,5 | 14 | 1 | 435 |
![]() | ![]() | 25 | 40 | 40 x 8,5 | 14 | 1 | 460 |
![]() | ![]() | 30 | 45 | 40 x 8,5 | 14 | 1 | 495 |
![]() | ![]() | 35 | 61 | 47 x 10 | 20 | 2 | 620 |
![]() | ![]() | 40 | 66 | 47 x 10 | 20 | 2 | 645 |
![]() | ![]() | 45 | 71 | 47 x 10 | 20 | 2 | 655 |
![]() | ![]() | 50 | 76 | 47 x 10 | 20 | 2 | 695 |
![]() | ![]() | 60 | 86 | 47 x 10 | 20 | 2 | 745 |
FINISHES ON REQUEST PLATE AND STRIKING PLATE IN:NICKEL PLATED STEEL (replace the last figures of the code with .009)
While stocks last

Adjustable roller
Projections from 2 to 12 mm

Adjustable roller
Projections from 2 to 12 mm
DIN standard through holesfor security escutcheons.