Swiss engineering, high precision

MTB35L0050

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

d1h6d2h6l10/+1l20/+1
0.50.530.05.0
CoatingNo
Coolant holesNo
Point angle118°
Helix angle25°
Flutes2
StandardTUSA
Cut directionLeft-hand
MaterialDescriptionMachinabilityVcm/minfnmm/rev
P.0Long chipping Low Carbon SteelsRecommended30-500.01 - 0.02
P.1Short chipping Low Carbon SteelsRecommended30-500.01 - 0.02
P.2Medium and High Carbon SteelsRecommended30-500.01 - 0.02
P.3Alloy Steels, Tool Steels (N/mm² 600-850)Recommended30-500.01 - 0.02
P.4Alloy Steels, Tool Steels (N/mm² 850-1400)Partially recommended30-500.01 - 0.02
P.5Ferritic, Martensitic, PH SSPartially recommended20-400.005-0.012
P.6High Strength Ferritic, Martensitic, PH SSPartially recommended15-300.003 - 0.01
M.1Austenitic Stainless SteelPartially recommended15-300.003 - 0.01
M.2High Strength Austenitic SS, Cast SSPartially recommended15-300.003 - 0.01
M.3Duplex SSPartially recommended15-300.003 - 0.01
K.1Grey Cast IronPartially recommended30-600.01 - 0.02
K.2Low and Medium Strength CGI, Ductile IronsPartially recommended30-600.01 - 0.02
K.3High Strength Ductile and Austempered Ductile IronPartially recommended30-600.01 - 0.02
N.1Wrought AluminiumRecommended40-600.020-0.040
N.2Low Si Al Alloys and Magnesium Alloys Si<12%Recommended40-600.020-0.040
N.3High Si Al Alloys Si>12%Recommended40-600.020-0.040
N.4Copper, Brass, Zinc Based AlloysRecommended15-600.010-0.025
S.4Ti and Ti AlloysPartially recommended10-200.003 - 0.008
H.1Hardened Materials (HRC 44-48)Partially recommended10-200.003 - 0.008
H.2Hardened Materials (HRC 48-55)Partially recommended10-200.003 - 0.008
O.1Thermoplastic and thermosetting materialsRecommended40-600.020-0.040
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