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CoroReamer™ 835

Flute spacing

Extremely unequal flute spacing means that the divide is not the same for each tooth. As there are no teeth diametrically opposite each other, the reamer produces a hole with improved hole roundness variance.

Internal coolant

Internal coolant nozzles (axial for straight flute and lateral for spiral flute) deliver coolant directly to the cutting zone, resulting in longer tool life and good chip evacuation.


Available with TiAIN coating which allows an increase in cutting parameters, resulting in improved productivity and reduced built-up edge.

View more features
  • Micro-grained carbide for high hardness and toughness
  • DIN 65535 HA shank to H6 tolerance and for direct clamping in hydraulic chucks, such as CoroChuck 930, shrink-fit and high precision chucksc.
  • Cylindrical shank
  • Carbide grade 1024 (TiAlN)
  • High productivity due to high cutting parameters
  • Consistency and productivity saving time and costs
  • Excellent surface finish on the component
  • Uniform concentricity for long tool life and dimensional accuracy
  • High stability due to the solid carbide body

The reaming range consists of Versatile, Optimized and Customized solutions within the Solid Round Tools product offer.

  • Versatile solutions features a complete range of high performance tools that offer high flexibility and cost efficiency.
  • Optimized solutions feature a unique line of refined tools for specific needs that provide extreme efficiency, reliability and durability.
  • Customized solutions feature Tailor Made and Advanced Engineered products, individually designed to meet the highest demands on performance.

Find your tool and buy


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  • For all industry segments e.g. general machining, die and mould, automotive, energy and power generation.
  • Diameter range: 3.97–20 mm (0.156–0.787 inch)
  • Straight flute and spiral flute
  • Cylindrical shank
  • Internal coolant
  • Carbide grade 1024 (TiAlN)
  • Hole tolerance H7

  • Steel
  • Cast iron
  • Stainless steel
  • Heat resistant super alloys

Product range

CoroReamer 835 PF

Available for ISO P and ISO K materials. Available in straight flute and spiral flute designs.

CoroReamer 835 MF

First choice for ISO M and secondary choice for Inconel materials. Available in straight and spiral flute designs.

Customized solutions

This reaming offer consists of Tailor Made and Advanced Engineered products, individually designed to meet the highest demands on performance.

Learn more

Tool holding

Use CoroChuck® 930 with your reamer to maintain efficient production through quick and easy tool set ups and changes.

Learn more


Tool recommendations

Struggling to find the right tool for the job? CoroPlus® ToolGuide offers quick and accurate tool recommendations on all your digital devices.


Recondition your round tool up to 3 times for major cost savings with our reconditioning service.

Solid Round Tools catalogue

Download and share your digital version of the Solid Round Tools catalogue.

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