CES Key Cylinder 815 with Thumb Turn

The CES Key Cylinder 815 is a high-quality European locking mechanism with a keyed access point on one end and a thumb turn on the other. Available in four thumb turn styles and multiple finishes to coordinate with your entry hardware.

Measurements & Ordering Guidance

Cylinder Sizes Offered:

• A 31.5 mm x B 31.5 mm — Total Length: 63 mm (2.4")
• A 35.5 mm x B 35.5 mm — Total Length: 71 mm (2.79")

Understanding A, B & C Dimensions:
A = interior cylinder length
B = exterior cylinder length
C = distance through the door thickness to determine correct cylinder sizing

Measurement Note: The dimensions listed assume the interior (A) and exterior (B) lengths are equal. Project conditions vary depending on door thickness and hardware placement, and final pricing depends on accurate measurements. Contact us for a custom quote if your A/B/C dimensions differ.

Measurement Requirements for Pricing:
Provide dimensions A, B, and C or review the Order Guide for measuring instructions.

Locking Degree

360° rotation required to lock or unlock the mechanism.

Multiple Cylinder Ordering – Keying Options

When ordering more than one cylinder, choose preferred keying configuration:

• Keyed Alike – one key operates multiple cylinders. Additional pricing applies.
• Keyed Differently – each cylinder uses its own key.

Material(s)

Thumb turn available in 11 finishes:

• Bronze
• Antique Brass
• Oil Rubbed
• Black Lacquered
• Rustic Umber*
• Satin Brass
• Polished Brass
• Satin Stainless
• Polished Chrome
• White
• Other and split finishes available on request
• *Most similar to Formani Black finish

Product Downloads

CES Key Cylinder Brochure

H Thumb Turn Spec Sheet

ET Thumb Turn Spec Sheet

CT Thumb Turn Spec Sheet

CR Thumb Turn Spec Sheet