Tapping speed Gr. Materials Features

ISOISOP1Free cutting steel and structural steelRm < 500 N/mm²
Identifi-Identifi-P2Carbon steel and low alloy steelRm 500-700 N/mm²

cation cation

Materials Area of full rigid lead feed Materials

numbers numbers P3Medium alloy steel and heat treated steelRm 600-800 N/mm²
P4High alloy steelRm 800-1000 N/mm²
P5Tool steelRm 900-1200 N/mm²
P6High tensile strength steelRm 1200-1600 N/mm²
>>> M1Ferritic stainless steelRm 400-700 N/mm²
M2Austenitic stainless steel (good machinability)Rm 500-750 N/mm²
M3Austenitic stainless steel (medium machinability)Rm 550-850 N/mm²
M4Martensitic stainless steelRm 650-950 N/mm²
M5PH stainless steelRm 800-1250 N/mm²
K1Grey cast ironHB 150-250
K2Nodular cast ironHB 150-350
K3Austenitic cast ironHB 120-260

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K4 ADI cast iron HB 250-500

N1 Aluminium alloys < 12% Si N2 Aluminium alloys > 12% Si N3 Copper alloys N4 Brass alloys and bronze alloys

n ima e tellin ossible a lications N5 Plastic materials

N6 Fiber and composites

S1Heat resistant super alloys (HRSA) (good machinability)HRC < 25
S2Heat resistant super alloys (HRSA) (medium machinability)HRC 25-35
S3Heat resistant super alloys (HRSA) (low machinability)HRC 35-45

S4 Low alloy Titanium (good machinability) S5 High alloy Titanium (medium machinability)

H1Hardened general steelHRC 50-56
H2Hardened bearing steelHRC 54-62
H3Hardened tool steelHRC 60-65
H4Hardened martensitic stainless steelHRC 50-56
H5Hardened white cast ironHRC 48-55