Land width
Rake Angle Rake Angle
Tool Selection Guides
Type of Chip Breaker
Land width
Rake Angle Rake Angle
Machining Method
Chip Breaker
Cutting Edge Cross-Section (Approximate)
Application
Land width Land width
Rake Angle Rake Angle Rake Angle
For drilling various materials from steel to cast iron: a general purpose breaker with an ideal rake angle.
DM
Land width
Rake Angle Rake Angle
For drilling cast iron: a highly rigid breaker with an optimal land width and rake angle.
DR
Holemaking
Land width
Rake Angle Rake Angle
For drilling non-ferrous materials: a breaker with a sharp cutting edge and polish treatment for excellent chip evacuation.
DN
Rake Angle Rake Angle
Rake Angle
Rake Angle
357
osgtool.com
Drilling Technical
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