Reference: 103.99.166
Brand: Mottura
Rod well 99.166 with dust spring for 18mm rods
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DISEC STONE Rok Sferik BD121-25D1 – Anti-Pull Euro Cylinder Protector, 38 mm Fixing Centres
DISEC STONE Rok Sferik BD121-25D1 mechanical Euro cylinder protector with carbonitrided steel body, hemispherical profile and anti-pull edge. Ø54 mm outer diameter, 85 × 68 mm escutcheon and 38 mm M6 fixing centres with Flex System. Grade 4 burglary resistance declared by DISEC. Offered in bronze and polished brass.
TRUSTED EXPERIENCE SINCE 1913Over 100 years of experience in hardware, tools and technical products.
PHYSICAL STORE & CUSTOMER SUPPORTWe also have a physical store in La Loggia (Turin): real people ready to help before and after your
ORDERS PREPARED WITH CAREWe prepare every order with care
Description
DISEC STONE Rok Sferik BD121-25D1 – Anti-Pull Euro Cylinder Protector
The DISEC STONE Rok Sferik BD121-25D1 is a mechanical security protector for Euro profile cylinder locks, featuring a hemispherical carbonitrided steel body and an anti-pull edge. Designed to resist direct mechanical attacks on the cylinder, it incorporates the reinforced Flex System mounting arrangement and is specified by DISEC as burglary resistance grade 4.
STONE construction and anti-pull protection
The hemispherical body reduces accessible gripping surfaces for tools used in forced-entry attempts. The anti-pull edge provides an additional structural feature to resist forces applied when attempting to extract or remove the protector.
The carbonitrided steel construction protects the cylinder from mechanical attacks while retaining the front key opening. The Flex System uses reinforced fixing screws to improve mounting resistance.
Dimensions and technical specifications
| Type | Hemispherical anti-pull mechanical protector |
|---|---|
| Application | Euro profile cylinder locks |
| Protector material | Carbonitrided steel |
| Outer diameter | Ø54 mm |
| Escutcheon dimensions | 85 × 68 mm |
| Overall projection | 27 mm |
| Nominal size | 25 mm |
| Fixing centres | 38 mm |
| Fixing thread | M6 |
| Fixing system | Flex System |
| Additional protection | Anti-pull edge |
| Burglary resistance grade | 4, manufacturer-declared |
| Orderable finishes | Bronze, polished brass |
Compatibility and installation
The BD121-25D1 is intended for Euro profile cylinder locks with 38 mm fixing centres, including certain CISA and Mottura lock configurations. Actual compatibility depends on the lock model, fixing-hole positions and cylinder projection relative to the external door panel.
When replacing an existing protector, compare the escutcheon dimensions, protector projection and fixing arrangement. A DISEC cylinder protector spacer is also listed separately in the Matteoda catalogue and may be ordered where suitable, subject to installation compatibility.
Before ordering: check the 38 mm M6 fixing centres, cylinder projection and protector dimensions. Contact Matteoda customer service for assistance with product selection and estimated delivery times.
Product Details
708.0843018
Specific References
- ean13
- 8029470053325
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DISEC STONE Rok Sferik BD121-25D1 mechanical Euro cylinder protector with carbonitrided steel body, hemispherical profile and anti-pull edge. Ø54 mm outer diameter, 85 × 68 mm escutcheon and 38 mm M6 fixing centres with Flex System. Grade 4 burglary resistance declared by DISEC. Offered in bronze and polished brass.