Swiss engineering, high precision

MTB25N0044

Solid carbide drill with 0.01 mm increments and without internal cooling holes for steel

d1h6d2h6l10/+1l20/+1
0.440.4430.05.0
CoatingNo
Coolant holesNo
Point angle118°
Helix angle25°
Flutes2
StandardTUSA
MaterialDescriptionMachinabilityVcm/minfnmm/rev
P.0Long chipping Low Carbon SteelsRecommended10-200.005 - 0.012
P.1Short chipping Low Carbon SteelsRecommended10-200.005 - 0.012
P.2Medium and High Carbon SteelsRecommended10-200.005 - 0.012
P.3Alloy Steels, Tool Steels (N/mm² 600-850)Recommended10-200.003 - 0.008
P.4Alloy Steels, Tool Steels (N/mm² 850-1400)Partially recommended8-150.002 - 0.006
P.5Ferritic, Martensitic, PH SSPartially recommended8-150.002 - 0.006
P.6High Strength Ferritic, Martensitic, PH SSPartially recommended8-150.002 - 0.006
M.1Austenitic Stainless SteelPartially recommended5-150.002 - 0.006
M.2High Strength Austenitic SS, Cast SSPartially recommended5-150.002 - 0.006
M.3Duplex SSPartially recommended5-150.002 - 0.006
K.1Grey Cast IronPartially recommended20-400.005 - 0.012
K.2Low and Medium Strength CGI, Ductile IronsPartially recommended20-400.003 - 0.008
K.3High Strength Ductile and Austempered Ductile IronPartially recommended20-400.003 - 0.008
N.1Wrought AluminiumRecommended30-500.01 - 0.02
N.2Low Si Al Alloys and Magnesium Alloys Si<12%Recommended30-500.01 - 0.02
N.3High Si Al Alloys Si>12%Recommended30-500.008 - 0.018
N.4Copper, Brass, Zinc Based AlloysRecommended10-500.006-0.018
S.4Ti and Ti AlloysPartially recommended8-150.002 - 0.006
H.1Hardened Materials (HRC 44-48)Partially recommended8-150.01 - 0.02
H.2Hardened Materials (HRC 48-55)Partially recommended8-150.01 - 0.02
O.1Thermoplastic and thermosetting materialsRecommended30-500.01 - 0.02
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