by zeke79 » 11 Nov 2005 11:37
They are allen head screws but I cannot recall the size off the top of my head. 5/64" seems to stick out but I can't be sure without checking. Hope that helps out.
For the best book out there on high security locks and their operation, take a look at amazon.com for High-Security Mechanical Locks An Encyclopedic Reference. Written by our very own site member Greyman! A true 5 Star read!!