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CoroDrill 880

The highly productive indexable-insert drill

Overview
Assortment

An indexable drill designed with a strong drill body with centre- and periphery-insert featuring unique Step Technology™ for perfect cutting force balance. CoroDrill® 880 gives high performance in most workpiece materials.  

 

Benefits

  • Up to 100% higher productivity
  • Closer hole tolerance and improved surface finish
  • Four true cutting edges with Wiper

 

Features

  • Wiper geometry for best surface finish or higher feed possibilities
  • Optimized chip channels for accelerated chip evacuation
  • Easy identification due to laser marking with drill-, insert- and screw codes on the drill shank
  • Two or four cutting edges
  • Optimized geometries assure high performance in most materials
  • Optimized grades assure longer insert tool life
  • Tailor Made options available
 
 

Application

  • General drilling
  • Drilling angled/curved surfaces
  • Drilling concave/convex surfaces
  • Plunge drilling/crossholes
  • Helical interpolation
ISO application area

 

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Product range​

Drill depth 2-3 x DC
Drill diameter, mm (inch)​ Hole tolerance, mm (inch)​ Tolerance, mm (inch)​
12.00-43.99 (0.472-1.732) 0/+0.25 (0/+0.010)​​ 0/+0,20 (0/+0.008) ​
44.00-52.99 (1.732-2.086)​ 0/+0.28 (0/+0.011)​ 0/+0,25 (0/+0.010)​
53.00-63.50 (2.087-2.500)​ 0/+0.30 (0/+0.012)​​ ​0/+0.28 (0/+0.011)​

 

Drill depth 4-5 x DC
Drill diameter, mm (inch)​ Hole tolerance, mm (inch)​ Tolerance, mm (inch)​
12.00-43.99 (0.472-1.732)​ 0/+0.40 (0/+0.016)​ +0.04/+0.24 (+0.002/+0.009)​
12.00-43.99 (0.472-1.732)​ 0/+0.43 (0/+0.017)​ +0.04/+0.29 (+0.002/+0.011)​​
12.00-43.99 (0.472-1.732)​ 0/+0.45 (0/+0.018) +0.04/+0.32 (+0.002/+0.013)​​