ISEO F6 Extra S - Security Cylinder - SKG 3 - Half Profile Cylinder

The ISEO F6 Extra S is a high-quality security cylinder with an SKG 3-star rating and the Dutch Police Quality Mark for Safe Living (PKVW). This half euro profile cylinder features the same advanced security technology as the double version and provides protection against common burglary methods such as cylinder pulling, drilling, bumping and manipulation.

The half euro profile cylinder is designed for applications where key operation from one side only is sufficient. The other side of the cylinder has no key opening.

Advanced Security

The ISEO F6 Extra S features several security properties that contribute to a high level of burglary resistance.

The cylinder includes:

• Cylinder pulling protection – protects against attempts to pull the cylinder core out of the housing.

• Drill protection – provides protection against drilling and other attempts to damage the cylinder.

• Bump key protection – protects against the burglary method involving specially designed bump keys.

• Picking protection – makes manipulation of the locking mechanism more difficult.

• Breaking protection – provides additional resistance against attempts to snap the cylinder.

The cylinder features six pins and has a brass housing with a matte nickel-plated finish.

Half Euro Profile Cylinder

A half euro profile cylinder, also known as a half cylinder, has a key opening on one side only. The other side does not have a key-operated mechanism.

This version is often used for doors and other applications where key access from one side is sufficient. Examples include certain garage doors, technical rooms and installations.

A half euro profile cylinder is therefore a suitable solution when a double euro profile cylinder is not required.

Keyed Differently or Keyed Alike

The ISEO F6 Extra S half euro profile cylinder is available in keyed-differently and keyed-alike versions.

• Keyed differently: each cylinder has its own key combination and can only be operated with its corresponding keys.

• Keyed alike: multiple cylinders are manufactured to the same key combination, allowing them to be operated with the same key.

Three keys are supplied as standard with each keyed-differently cylinder. For a keyed-alike order, a total of six keys is supplied per set, regardless of the number of cylinders.

Need additional keys? These can be ordered separately.

Optional Freewheel Function

The ISEO F6 Extra S half euro profile cylinder can optionally be supplied with a freewheel function.

With this function, the cam can rotate freely when no key is inserted in the cylinder. This is necessary for the correct operation of certain locks and applications.

The freewheel function is an additional option and must be explicitly specified when ordering.

Replacing an Existing Cylinder?

When replacing an existing door cylinder, it is important to choose the correct dimensions. Make sure to measure the required cylinder length beforehand.

Also take a look at our guide on how to measure a door cylinder.

Do you have questions about the right version or would you like to order multiple cylinders keyed alike? Feel free to contact us. We will be happy to help.