TopThread ™ inserts
are available in TN6010 ™
and TN6025 ™ grades to
withstand the demands
placed on the cutting edge
of the threading insert.
The versatility of the TopThread
steel enables you to use both
threading and grooving inserts in
the same toolholder.
The Simple Solution
With the WIDIA ™ TopThread solution, there is no need to worry about costly setup
mistakes. TopThread insert selection is easy, quick, and enables accurate indexing to
keep your machine spindle turning.
• Rigid design for increased insert stability during threading applications.
• Good quality threads, improved tool life, and improved surface fi nishes.
• Locking forces in three directions for superior resistance to tangential force.
• Unique 3° insert relief angle for back clearance.
• Available in partial profi le inserts for 60° thread forms.
widia.com
F5
NOTE: Holders are designed to locate inserts
inclined to 3° to provide back clearance
down open side.