-
Solid carbide universal twist drills 8xd with 4-guide margins
E.3666.1 -
- Cutting Data
Suitable for material
(Click for material suitability)P
General construction steel / free machining steel
Material | <500 N/mm² | <700 N/mm² | <850 N/mm² | <1000 N/mm² | <1400 N/mm² |
---|---|---|---|---|---|
Suitability |
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P
Heat treatable steel
Material | <850 N/mm² | <1000 N/mm² | <1400 N/mm² | >1400 N/mm² |
---|---|---|---|---|
Suitability |
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M
Rust and acid constant steels
Material | <700 N/mm² | >700 N/mm² |
---|---|---|
Suitability |
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K
Cast iron and cast iron alloy
Material | Cast iron until 180 HB | Metallable cast iron | Cast iron with nodular graphite |
---|---|---|---|
Suitability |
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N
Non-ferrous metal, plastics, graphite
Material | Aluminium und AL-alloyed until 6% Si | Aluminium und AL-alloyed (under 12% Si) | Aluminium alloyed over 12% Si | Copper, brass, bronze, red brass | Plastics - thermoplast | Plastics - duroplast | GFK/CFK | Graphite |
---|---|---|---|---|---|---|---|---|
Suitability |
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S
Special alloy and titanium
Material | Inconel, Hastelloy, Nimonic, Monel | Titanium |
---|---|---|
Suitability |
H
Hardened steel
Material | 45-55 HRC | 55-60 HRC | 60-65 HRC |
---|---|---|---|
Suitability |
available variants
E.3666.1.1780
17.8
222
171
18,0
150

alternatives
E.3666.1.1880
18.8
243
190
20,0
170

alternatives
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