Swiss engineering, high precision

MTB2700270

140° solid carbide pilot drill with reinforced shank, coated

d1m5d2h6d3+/-0.02l1+/-0.2l2+/-0.2l30/+0.5
2.74.04.056.05.419.75
CoatingYes
Coolant holesNo
Point angle140°
Helix angleVariabile
Flutes2
StandardTUSA
Cut directionRight-hand
MaterialDescriptionMachinabilityVcm/minfnmm/rev
P.0Long chipping Low Carbon SteelsRecommended60-900.04-0.055
P.1Short chipping Low Carbon SteelsRecommended60-900.04-0.055
P.2Medium and High Carbon SteelsRecommended60-900.04-0.055
P.3Alloy Steels, Tool Steels (N/mm² 600-850)Recommended50-700.036-0.05
P.4Alloy Steels, Tool Steels (N/mm² 850-1400)Recommended40-600.025-0.04
P.5Ferritic, Martensitic, PH SSRecommended35-500.023-0.035
P.6High Strength Ferritic, Martensitic, PH SSRecommended35-500.023-0.035
M.1Austenitic Stainless SteelRecommended30-450.02-0.032
M.2High Strength Austenitic SS, Cast SSRecommended30-450.02-0.032
M.3Duplex SSRecommended30-450.02-0.032
K.1Grey Cast IronRecommended100-1500.038-0.055
K.2Low and Medium Strength CGI, Ductile IronsRecommended80-1300.038-0.055
K.3High Strength Ductile and Austempered Ductile IronRecommended80-1300.038-0.055
N.1Wrought AluminiumPartially recommended90-1200.035-0.05
N.2Low Si Al Alloys and Magnesium Alloys Si<12%Partially recommended120-1500.042-0.06
N.3High Si Al Alloys Si>12%Partially recommended120-1500.035-0.05
N.4Copper, Brass, Zinc Based AlloysPartially recommended120-1500.035-0.05
S.1Iron Based HRSAPartially recommended15-250.04-0.05
S.2Co Based HRSAPartially recommended30-400.07-0.08
S.3Ni Based HRSAPartially recommended15-250.04-0.05
S.4Ti and Ti AlloysPartially recommended40-700.035-0.05
H.1Hardened Materials (HRC 44-48)Partially recommended20-350.02-0.03
H.2Hardened Materials (HRC 48-55)Partially recommended20-350.02-0.03
O.1Thermoplastic and thermosetting materialsPartially recommended120-1500.042-0.06
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