There are 12 useful tips to help diagnose problems for deep hole drilling. The drawings below show our deep hole drill, HT800WP with interchangeable carbide inserts. The recommended wear is valid for RT800 interchangeable inserts, too.
Cutting edge built-up
Crumbling of outer corner
Heavy wear and tear at flank
Crumbling on cutting lips
Land wear
Scoring on tool body
Heavy chisel edge wear and tear
Crumbling at intersection, web thining & cutting lip
Plastic deformation of outer corner
Misalignment
Heavy
burring on breakthrough
Unsatisfactory surface quality