Hole Chart would be advisable for on drawings. Drill Chart suggests what
size to be
drilled. A hole chart suggests what you want on the finished product.
Each fabricator
may use a slightly different drilled hole size to achieve the finished
hole size.

Just thoughts....

Groovy

################################################################
TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE TechNet <your full name>
To unsubscribe:   SIGNOFF TechNet 
################################################################
Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
################################################################