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Drilling tools \ Technical introduction – solid carbide / HSSE drilling
grinding/geometry:
Typ
VA  cone polished section 130°
 spiral angle 35°
 point thinning type C
 increased core diameter
cutting material:
 HSSE: HSS steel with 5% cobalt alloy with greater hot hardness for increased loads up to 1300 N/mm 2
advantages:
 positive geometry specially developed for use in stainless steel and special alloys
 special geometry with aggressive cutter design and free geometry for very smooth cutting

grinding/geometry:
Typ
X  tip angle 130°
 precision-ground cone polished section + combination of point thinning types A/B
 cutting angle adjustment through type B point thinning element, ensuring a strong, stable cutting edge
 straight main cutter
cutting material:
 HSSE-PM steel off ers highest level of wear resistance through powder-metallurgical steel
 extremely dense, homogeneous structure
 increased hardness and heat resistance
 high level of wear resistance and cutting edge stability
advantages:
 highest level of wear resistance and heat resistance through HSSE-PM cutting material and TiN coating
 economic drill that closes the gap between a standard HSS drill and a VHM drill for medium-strength materials
and moderate batch sizes
 high cutting edge stability and robust drill design thanks to cone polished section with type A/B point thinning
and optimised parabolic fl ute profi le
 high process reliability thanks to the homogeneous structure of the HSSE-PM steel

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 12

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