MTB3000490

Solid carbide micro twist drill – medium series

d1h6d2h6l1+/-0.2l20/+0.5
4.94.986.052.0
CoatingNo
Coolant holesNo
Point angle118°
Helix angle25°
Flutes2
StandardTUSA
MaterialDescriptionMachinabilityVcm/minfnmm/rev
P.0Long chipping Low Carbon SteelsRecommended40-600.02-0.05
P.1Short chipping Low Carbon SteelsRecommended40-600.02-0.05
P.2Medium and High Carbon SteelsRecommended40-600.02-0.05
P.3Alloy Steels, Tool Steels (N/mm² 600-850)Recommended30-500.02-0.03
P.4Alloy Steels, Tool Steels (N/mm² 850-1400)Partially recommended20-400.015-0.025
P.5Ferritic, Martensitic, PH SSPartially recommended15-300.01-0.02
P.6High Strength Ferritic, Martensitic, PH SSPartially recommended15-300.01-0.02
M.1Austenitic Stainless SteelPartially recommended15-300.01-0.02
M.2High Strength Austenitic SS, Cast SSPartially recommended15-300.01-0.02
M.3Duplex SSPartially recommended15-300.01-0.02
K.1Grey Cast IronPartially recommended30-500.02-0.05
K.2Low and Medium Strength CGI, Ductile IronsPartially recommended30-500.02-0.05
K.3High Strength Ductile and Austempered Ductile IronPartially recommended30-500.02-0.05
N.1Wrought AluminiumRecommended60-1000.04-0.07
N.2Low Si Al Alloys and Magnesium Alloys Si<12%Recommended60-1000.04-0.07
N.3High Si Al Alloys Si>12%Recommended30-500.02-0.05
N.4Copper, Brass, Zinc Based AlloysRecommended10:50:000.04-0.07
O.1Thermoplastic and thermosetting materialsRecommended60-1000.04-0.07