Version:
Long flutes, left-hand helix.
Extremely irregular spacing (EU) from size 2.
This ensures that the reamed bore is absolutely round and free from chatter marks.
Application:
On stable, low vibration machines. Longer tool life and better dimensional accuracy than HSS reamers.
Tool material:
Sizes 1 − 13 solid carbide.
Sizes 14 − 16 with carbide inserts, supported by hard nitrided steel guidel chamfers.