Thumb Turn Profile Cylinder
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Thumb Turn Profile Cylinder

  • Brass

  • EN1303 (1 6 0 B 0 C 4 0)

  • 60mins (Timber door)



Knob profile cylinder



Key material

Brass/Cupronickel; 3 keys




Sintered steel; R15*6.5

Compliance with


Fire resistance


knob profile cylinder

Thumb Turn Profile Cylinder

Thumb turn profile cylinders are designed to fit into a standard euro profile cylinder mortice lock. They are made from high quality materials brass and pass fire rated test to match the security requirements for public buildings.

The thumb turn profile cylinder is installed within the door, and it can be opened or closed by turning the key. This type of cylinder is also commonly used in conjunction with Mortise door lock and Lever handle.

Fire Rated Thumb Turn Profile Cylinder

In addition to its function in building security, a knob profile cylinder can also play a role in fire safety. A fire rated thumb turn profile cylinder is designed to withstand high temperatures and maintain its function in the event of a fire. In order for a cylinder lock to be used in a fire rated door, it must pass a fire resistance test. Thumb turn profile cylinders that have passed this test 60mins.

Thumb Turn Convenience

With the Thumb Turn Euro Profile Cylinder, locking and unlocking your door becomes a breeze. Instead of using a key, a quick turn of the thumb turn on the inside of the door grants you access, making it ideal for busy households, offices, and commercial spaces.

Customizable Finishes

Elevate your door aesthetics with our array of appealing finishes, including classic Satin nickel, timeless matte black, elegant antique brass, and more, tailored to match your interior style.


  • Grade 1, according to European standard EN1303

  • Length available from 60-95mm

  • Fire rated 60mins on timber door

  • Passed 100,000 test cycle

  • Grade C corrosion resistance

  • 5/6 pins

  • Supplied with 3 normal brass keys

  • Brass material

Different length of knob cylinder-1

EN1303 Classification

Classification of profile cylinder

Related Items

We can provide you different types include double open cylinder, thumb turn cylinder, bathroom cylinder, half cylinder.

profile cylinder all





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