Threading Walter Select for threading applications Step by step to the correct tool STEP 1 Define the material to be machined, see page H 8 onwar

Threading Walter Select for threading applications Step by step to the correct tool STEP 1 Define the material to be machined, see page H 8 onwards. Note down the machining group that corresponds to your material, e.g. P10. Code letter Machining group Groups of the materials to be machined P P1-P15 Steel All types of steel and cast steel, with the exception of steel with an austenitic structure M M1-M3 Stainless steel Stainless austenitic steel and austenitic-ferritic steel and cast steel K K1-K7 Cast iron Grey cast iron, cast iron with spheroidal graphite, malleable cast iron, cast iron with vermicular graphite N N1-N10 NF metals Aluminum and other non-ferrous metals, non-ferrous materials S S1-S10 High temperature alloys and titanium alloys Heat resistant special alloys based on iron, nickel and cobalt, titanium and titanium alloys H H1-H4 Hard materials Hardened steel, hardened cast iron materials, chilled cast iron O O1-O6 Other Plastics, glass and carbon fiber reinforced plastics, graphite STEP 2 Select your intended application. Tapping Solid carbide / HSS Blind hole Through hole 1 Ml depth 1.5 x Dn 2.0 x Dn 2.5 x Dn 3.0 x Dn 3.5 x Dn 1.5 x Dn 2.0 x Dn 2.5 x Dn 3.0 x Dn 3.5 x Dn Solid carbide / page D 20 D 21 D 21 D 21 D 21 D 20 D 21 D 21 D 21 D 21 HSS page D 22 D 23 D 25 D 25 D 27 D 28 D 29 D 30 D 30 D 31 Thread forming Blind hole Through hole depth 2.0 x Dn 3.0 x Dn > 3.5 x Dn Page D 360 D 360 D 361 Thread milling Internal Blind hole / through hole depth 1.5 x Dn 2.0 x Dn 3.0 x Dn < 2.0 x Dn Page D 406 D 407 D 407 D 407 External D 18 WALTER Prototyp