Lock standards index

Lock standards decide dimensions, durability and compliance. The most common retrofit mistake is a lock that fits mechanically but invalidates the door's certification.

StandardOriginTitleData status
DIN 18251 Germany Mortise locks for doors — case dimensions and requirements ✓ verified
DIN 18252 Germany Profile cylinders for doors ✓ verified
EN 12209 Europe (harmonised) Mechanically operated locks and latching devices ✓ verified
EN 1303 Europe (harmonised) Cylinders for locks ✓ verified
EN 1634-1 Europe (harmonised) Fire resistance and smoke control tests for door and shutter assemblies ✓ verified
BS 3621 United Kingdom Thief resistant locks operated by key from both sides ✓ verified
BS 8621 United Kingdom Thief resistant locks with keyless egress (thumb-turn or push-pad) ✓ verified
BS 10621 United Kingdom Thief resistant locks lockable from outside only ✓ verified
TS 007 United Kingdom Enhanced security cylinder standard (1, 2 or 3 star) ✓ verified
Sold Secure SS312 United Kingdom Sold Secure cylinder scheme (Bronze, Silver, Diamond) ✓ verified
ANSI/BHMA A156.2 United States Bored and preassembled locks and latches ✓ verified
ANSI/BHMA A156.13 United States Mortise locks ✓ verified
ANSI/BHMA A156.36 United States Auxiliary locks and associated products (deadbolts) ✓ verified
ANSI/BHMA A156.25 United States Electrified locking devices ⚠ needs review
SCDF CoC (Singapore) Singapore Certificate of Conformity for fire-rated doorsets ✓ verified
AS 4174 (designation to be confirmed) Australia Australian mechanical locking device standard ⚠ needs review
JIS A 4702 (designation to be confirmed) Japan Japanese door and hardware standard ⚠ needs review

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