Carl Wittkopp OPTIMA / MASTERLOX – safe key blanks for 2608, 2618, 2648, N2618, H2648

These high-quality safe key blanks are suitable for the well-known OPTIMA and MASTERLOX locks from Carl Wittkopp , one of the leading German manufacturers of mechanical safe locks.

Ideal for replacement, spare, or duplicate keys – precisely manufactured, robust, and compatible with various Wittkopp lock models.

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Compatible lock models

• OPTIMA 2608

• OPTIMA 2618

• OPTIMA 2648

• OPTIMA N2618

• MASTERLOX H2648

These blanks therefore cover almost all common Wittkopp OPTIMA locks that are installed in hotel safes, home safes, gun cabinets and valuables safes .

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Product details

• Manufacturer: Carl Wittkopp / MASTERLOX

• Material: robust die-cast zinc , nickel-plated

• Type: Double-bit key, rigid

• Number of locking devices: 8 (depending on model)

• Bolt type: Block bolt, with tamper protection

• Length variants: various key lengths available (e.g. 90 mm, 120 mm, 135 mm, 150 mm)

• Straw diameter: approx. 6.8 mm

• Beard hole diameter: approx. 3.6 mm

• Reidenform: Wittkopp-Standard

These blanks are suitable for VdS Class 1 / EN 1300 A locks and offer the same mechanical precision as the original keys.

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Suitable for the following applications

• Home and business safes

• Gun cabinets (grade 0–II according to EN 1143-1)

• Hotel safes and furniture safes

• Safety cabinets according to EN 11450 S1/S2

Whether replacement keys, reproductions or stock for service use – these blanks are designed for all professional applications where precision and quality count.

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Advantages of Wittkopp OPTIMA key blanks

• Original geometry and fit for OPTIMA and MASTERLOX locks

• High-quality zinc die-casting – durable and easy to work with

• Compatible with numerous lock variants from Carl Wittkopp

• Easy post-processing in specialist companies or workshops

• Optionally available with longer straw variants for special safes

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If no original keys are available

If all safe keys are lost or damaged, the

👉 Safe Service Tsiamis

Open your Wittkopp safe without causing any damage and, if desired, install new keys or a replacement lock.

As a specialized company, Tresorservice Tsiamis offers:

• Non-destructive safe openings of all OPTIMA and MASTERLOX series

• 24/7 emergency service in the Dortmund, Wuppertal, Essen, Cologne and surrounding areas

• Duplicate key & lock service directly on site

• Discreet appearance & transparent prices

This means you have the right contact person for every situation – from a lost key to a complete new installation.

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Conclusion

The Carl Wittkopp OPTIMA / MASTERLOX key blanks are the ideal solution for all those who

Value original quality, durability and compatibility .

Whether OPTIMA 2608 , 2618 , 2648 , N2618 or H2648 –

These blanks can be used to reliably produce high-quality replacement or duplicate keys.

And if there is no key left:

👉 Trust the Tsiamis safe service –

Your specialist for damage-free safe opening and key service in NRW.