Page 72 - ENGINEERING DRAWING
P. 72
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• Diameter
Leader line and local note
• Depth
Extension and dimension lines, and
• Location of its center
dimension number
• Number of holes having an
Local note
identical specification
➢ Diameter and depth of the hole should be given in a circular view
➢ Location of the hole should be given in circular view
Small hole : Specifying a diameter and a depth / Specifying a location :
Large hole : Three possible method are :
Hole
Common mistakes :
