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CoroDrill® 865

Green light machining

New CoroDrill 865 allows your machine to run at full capacity, producing precise oil holes up to 30 times the cutting diameter with high reliability and excellent chip control.

Tailored for precision

CoroDrill 865 is tailored to precise requirements, allowing dimensional adjustments of flute and overall lengths for optimum hole making performance.

Pioneering design

We’ve designed the brand new CoroDrill 865 geometry with a new flute profile to improve chip formation and increase strength. The flutes have excellent surface finish to aid chip evacuation and reduce thrust forces whilst the edge preparation refinement ensures consistency and form.

Application

  • Optimised for crankshafts, inclined oil holes
  • Up to 30 x DC
  • Also suitable for connecting rods and engine components
  • ISO-K and ISO-P materials
  • Dedicated pilot drill
  • Steel
  • Cast iron

Tailor made

The Tailor Made-offer provides the opportunity to design your drill to precise dimensions and tolerances for hole depths up to 30xØ and 3-10 mm (0.118-0.394 inch) in diameter.

Internal coolant

Internal coolant, suitable for Minimum Quantity Lubrication (MQL), allowing for efficient chip evacuation and fine surface finish.

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Reconditioning service

The reconditioning process reproduces the geometry and coating of your original drill and deliver them back within 2-3 weeks – cost efficient and environmentally friendly.

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Highlights

Crankshaft excellence

The crankshaft is the heart of the engine and requires deep knowledge and competence. Find a complete solution here for crankshaft manufacturing.

Complete manufacturing solutions

Together with our customers and machine tool makers around the world, we’ve created a sizeable reference library for you to utilize.

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Precision chucks – always

To ensure accuracy, clamp with high precision chucks only. CoroChuck 930 has the best pull-out security on the market, designed to eliminate vibration in milling and drilling operations.

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