MTB35L0540

Solid carbide left-hand cutting micro twist drill – medium series

d1h6d2h6l10/+1l20/+1
5.45.450.025.0
CoatingNo
Coolant holesNo
Point angle118°
Helix angle25°
Flutes2
StandardTUSA
Cut directionLeft-hand
MaterialDescriptionMachinabilityVcm/minfnmm/rev
P.0Long chipping Low Carbon SteelsRecommended50-700.040-0.060
P.1Short chipping Low Carbon SteelsRecommended50-700.040-0.060
P.2Medium and High Carbon SteelsRecommended50-700.040-0.060
P.3Alloy Steels, Tool Steels (N/mm² 600-850)Recommended50-700.040-0.060
P.4Alloy Steels, Tool Steels (N/mm² 850-1400)Partially recommended50-700.040-0.060
P.5Ferritic, Martensitic, PH SSPartially recommended30-500.035-0.050
P.6High Strength Ferritic, Martensitic, PH SSPartially recommended25-450.028-0.042
M.1Austenitic Stainless SteelPartially recommended25-450.028-0.042
M.2High Strength Austenitic SS, Cast SSPartially recommended25-450.028-0.042
M.3Duplex SSPartially recommended25-450.028-0.042
K.1Grey Cast IronPartially recommended50-700.040-0.060
K.2Low and Medium Strength CGI, Ductile IronsPartially recommended50-700.040-0.060
K.3High Strength Ductile and Austempered Ductile IronPartially recommended50-700.040-0.060
N.1Wrought AluminiumRecommended60-1000.040-0.070
N.2Low Si Al Alloys and Magnesium Alloys Si<12%Recommended60-1000.040-0.070
N.3High Si Al Alloys Si>12%Recommended60-1000.040-0.070
N.4Copper, Brass, Zinc Based AlloysRecommended30-1000.030-0.065
S.4Ti and Ti AlloysPartially recommended25-450.016-0.035
H.1Hardened Materials (HRC 44-48)Partially recommended25-450.016-0.035
H.2Hardened Materials (HRC 48-55)Partially recommended25-450.016-0.035
O.1Thermoplastic and thermosetting materialsRecommended60-1000.040-0.070