Technical data sheet
MTB4500500

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MTB4500500

Solid carbide micro twist drill – long series

Dimensions

d1h6d2h6l10/+1l20/+1
5.05.092.045.0

Properties

CoatingNo
Coolant holesNo
Point angle120°
Helix angle30°
Flutes2
StandardTUSA

Cutting parameters

MaterialDescriptionMachinabilityVcm/minfnmm/rev
P.0Long chipping Low Carbon SteelsRecommended30-500.040-0.060
P.1Short chipping Low Carbon SteelsRecommended30-500.040-0.060
P.2Medium and High Carbon SteelsRecommended30-500.040-0.060
P.3Alloy Steels, Tool Steels (N/mm² 600-850)Recommended30-500.040-0.060
P.4Alloy Steels, Tool Steels (N/mm² 850-1400)Partially recommended15-300.035-0.050
P.5Ferritic, Martensitic, PH SSPartially recommended15-300.035-0.050
P.6High Strength Ferritic, Martensitic, PH SSPartially recommended15-300.028-0.042
M.1Austenitic Stainless SteelPartially recommended15-300.028-0.042
M.2High Strength Austenitic SS, Cast SSPartially recommended15-300.028-0.042
M.3Duplex SSPartially recommended15-300.028-0.042
K.1Grey Cast IronPartially recommended30-600.040-0.060
K.2Low and Medium Strength CGI, Ductile IronsPartially recommended20-500.040-0.060
K.3High Strength Ductile and Austempered Ductile IronPartially recommended20-500.040-0.060
N.1Wrought AluminiumRecommended90-1400.040-0.070
N.2Low Si Al Alloys and Magnesium Alloys Si<12%Recommended90-1400.040-0.070
N.3High Si Al Alloys Si>12%Recommended80-1200.040-0.070
N.4Copper, Brass, Zinc Based AlloysRecommended50-1000.030-0.065
S.4Ti and Ti AlloysPartially recommended15-300.035-0.050
H.1Hardened Materials (HRC 44-48)Partially recommended15-300.035-0.050
H.2Hardened Materials (HRC 48-55)Partially recommended15-300.035-0.050
O.1Thermoplastic and thermosetting materialsRecommended90-1400.040-0.070