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Drilling tools \ Technical introduction – solid carbide / HSSE drilling
grinding/geometry:
Typ
N  tip angle: 118°
 spiral angle 30°
 cone polished section
cutting material:
 Universal HSS steel cutting material, for alloyed and unalloyed steels up to 1000 N/mm , steel casting, cast iron
2
and iron alloys
Benefi ts:
 Suitable for a wide range of applications thanks to the universal geometry design
 Minimises tool costs
 Can be put to fl exible use on both conventional and CNC machines, even in unstable conditions
 Low hardness, resulting in a high breaking strength

Grinding/geometry:
Typ
TLP  cone polished section 130°
 spiral angle 38°
 point thinning type A
cutting material:
 Universal HSS steel cutting material, for alloyed and unalloyed steels up to 1000 N/mm , steel casting, cast iron
2
and iron alloys
 HSSE: HSS steel with 5% cobalt alloy with greater hot hardness for increased loads up to 1300 N/mm 2
Benefi ts:
 optimised fl ute profi le for drilling deep holes in unfavourable conditions, such as insuffi cient cooling and poor

chip removal
 depths of up to 25XD can be achieved
 special geometry for drilling long-chipping materials
 deep hole profi le for optimising chip removal at greater drilling depths without the need for venting
 extremely good chip removal thanks to the size of the chipping space

d
Typ TLP Typ N 5 x d

10 x d
1,5 x d
1,5 x d
1,5 x d
1 x d
1 x d
3 x d
1 x d
1 x d
1 x d
0,5 x d

grinding/geometry:
Typ
NV  spiral angle: 20°
 cross grinding: 135°
 point thinning ≥ 1.0 mm
cutting material:
 HSSE Co8%-alloyed steel for increased hot hardness

advantages:
 robust drill geometry for high alloy, high-strength materials from 700 N/mm 2
 reinforced core
 for use on conventional and CNC machines

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 9

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