Brand	SILCA
Bit Length in mm (Along The Stem)	15
Bit Width in mm (Away From The Stem)	9.2
Has a Collar	No
Head Bit Length in mm	8.6
Key Length in mm	46.2
Main Use	CHUBB AVA
Pin or Pipe	PIN
Single or Double Bitted	DOUBLE
Stem Diameter in mm	4.4

Standard Blanks A-K

Silca ACH Key Blank for Chubb Safes and Cylinders