Mechanical combination lock with through-bolt
PRODUCT CODES
Length | Diameter | Code | Notes |
15 to 35 mm (with extension kit) | see datasheet | 220300_COD | - |
SUPPLIED.
- 3-digit mechanical combination knob.
- Rear body with through-bolt.
- Screws for fixing the knob to the rear body.
- Parker screws for anchoring to the panel or door.
- Extension kit for center pin. Set of long screws for installation on thick panels.
- Metal strike plate (striker).
- Metal awl for code change.
OPTIONALS
The OMR mechanical combination lock with through-bolt – also known as a deadbolt – is the ideal solution for ensuring the secure locking of drawers and hinged doors. Thanks to its
Key features and strengths
- 3-digit numerical combination: 1,000 possible, customizable combinations.
- Through-bolt (bolt): provides solid locking for drawers and hinged doors.
- Versatile installation: compatible with panel thicknesses from 15 mm to 35 mm.
- Multiple configurations: extension kit allows adaptation to standard or increased thicknesses.
- Durable materials: zamak body with chrome finish, durable and resistant to dust, moisture and salt.
Simple installation
Installation is quick and requires no complex work. The lock attaches with parker screws directly to the panel or hinged door:
- Place the rear body with bolt in the provided seat.
- Attach the knob to the rear body with the screws provided.
- Secure it with the provided parker screws.
- Use extensions and long screws in case of thick panels.
Daily use and operation
Operation is practical and intuitive. Once the correct code is set, turning the knob will allow the through-bolt to move, allowing the drawer or hinged door to open. To close, turn the knob again and the bolt will lock into place, providing maximum security and edge protection thanks to the included strike plate.
Changing the code
Changing the code is quick and easy with the included awl:
- Set the current code and unlock the lock.
- Use the awl to press the reset button on the side of the knob.
- Select the new desired combination.
- Release the button and close the lock again-the new code is immediately operational.
Recommended applications
This combination lock is especially suitable for:
- Drawers of home or office furniture.
- Hinged doors of cupboards, sideboards, and cabinets.
- Professional office furniture, filing cabinets and pantries.
- Store fixtures, displays, and display cases.
Summary technical data
- Number of digits: 3 (000-999) → 1,000 combinations
- Type: through-bolt lock
- Panel thickness: 15 mm to 35 mm
- Fixing: parker screws included
- Materials: chrome-plated zamak, plastic
- Accessories included: extensions, long screw set, metal strike plate, code change awl
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Over 1300 Locks

100% Made in Italy

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High customization
The range of OMR Serrature products is extremely wide, to the point that proposing a complete list of them is by no means simple: in fact, the locks made by the company respond to needs related to disparate applications and are united by impeccable technical care, also linked to highly professional and meticulous design. Every single type of article is available in different variants, without neglecting the fact that OMR Serrature can make countless customizations for the customer: having a totally internalized industrial approach, therefore executed entirely at its own production plant, the company can deliver to the customer an article customized from any point of view, even at the design level. To all customers who have specific commercial or professional needs, moreover, OMR Serrature can also offer lock sets, real reassortmentable selections of the most requested models, supplied in convenient and elegant cases.
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