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Diatool Monoblock Reamers

The Diatool Monoblock Reamer range comes in a huge variety of options regarding material, flute, reach, coating and through coolant options.

Material options are either Carbide or Cerment both of which come either with a solid or expandable cutting head and straight flute or left hand flute.

These reamers can also be supplied either with internal coolant for through holes or blind holes. Alternativly they can be supplied without out any internal coolant supply.


Product Features

  • Solid and expandable Ø 5,600 - 60,599 mm (on request up to Ø 100,599 mm)
  • With and without internal coolant supply
  • Short and long version
  • Different cutting materials and coatings

Product Advantages

  • Very stable thanks to the monoblock design = excellent bore quality
  • All reamers are ground to the nominal size, e.g. first bore = good bore!
  • No diameter setting
  • Short machining times thanks to high feeds and multi-blade design
  • Wear compensation through the simple expansion feature
  • High economic efficiency thanks to repeated retippings
  • Repaired/retipped reamers have the same tool life as new reamers


Carbide Monoblock Reamer Coating Options

  • Uncoated
  • TiN
  • TiALN
  • TiALN-P
  • TiALN-L
  • ATN
  • TAC

Cerment Monoblock Reamer coating options

  • TiN
  • TiALN
  • TiALN-P
  • ATN

Cutting data avaliable here

Correction or reaming problems avaliable here

Reaming Head handling instructions avaliable here

For prices and more information please contact our sales team

Full Range Specification


Part No


In Stock