Swiss engineering, high precision

MTB4500030

Solid carbide micro twist drill – long series

d1h6d2h6l10/+1l20/+1
0.30.340.08.0
CoatingNo
Coolant holesNo
Point angle120°
Helix angle30°
Flutes2
StandardTUSA
MaterialDescriptionMachinabilityVcm/minfnmm/rev
P.0Long chipping Low Carbon SteelsRecommended20-400.002-0.008
P.1Short chipping Low Carbon SteelsRecommended20-400.002-0.008
P.2Medium and High Carbon SteelsRecommended20-400.002-0.008
P.3Alloy Steels, Tool Steels (N/mm² 600-850)Recommended20-400.002-0.008
P.4Alloy Steels, Tool Steels (N/mm² 850-1400)Partially recommended10-200.001-0.006
P.5Ferritic, Martensitic, PH SSPartially recommended10-200.001-0.006
P.6High Strength Ferritic, Martensitic, PH SSPartially recommended10-200.001-0.006
M.1Austenitic Stainless SteelPartially recommended10-200.001-0.006
M.2High Strength Austenitic SS, Cast SSPartially recommended10-200.001-0.006
M.3Duplex SSPartially recommended10-200.001-0.006
K.1Grey Cast IronPartially recommended15-350.002-0.008
K.2Low and Medium Strength CGI, Ductile IronsPartially recommended15-350.002-0.008
K.3High Strength Ductile and Austempered Ductile IronPartially recommended15-350.002-0.008
N.1Wrought AluminiumRecommended80-1200.005-0.010
N.2Low Si Al Alloys and Magnesium Alloys Si<12%Recommended80-1200.005-0.010
N.3High Si Al Alloys Si>12%Recommended60-1000.005-0.010
N.4Copper, Brass, Zinc Based AlloysRecommended30-700.005-0.010
S.4Ti and Ti AlloysPartially recommended10-200.001-0.006
H.1Hardened Materials (HRC 44-48)Partially recommended10-200.001-0.006
H.2Hardened Materials (HRC 48-55)Partially recommended10-200.001-0.006
O.1Thermoplastic and thermosetting materialsRecommended80-1200.005-0.010
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