Astral S cylinders

CISA Astral S (Sigillo) cylinders are the ideal solution for those looking for a security cylinder that protects against attempted cylinder extraction.

Find a store

go to:

Technical specifications

Find the technical specifications for Astral S cylinders. If you can’t find the information you’re looking for, contact us.

Technical Data

BKP bumping-resistant
10-pin locking system (6 active, 4 passive)
Brass body with SIGILLO bi-material core
Brass pin tumblers
Clutched DIN cam made of self-lubricating sintered steel
Case-hardened steel pins
Case-hardened steel driver pins
Phosphor bronze and steel springs
Reversible flat keys: nickel‑plated special brass alloy, with code numbering on the head