Milling Milling Inserts
Grade for Milling
Steel, alloyed steel, unalloyed steel
Basic grade
Supplemental grade
AP251U P25(P15-P35) PVD-coated grade, suitable for most applications. First choice for steel machining. It is recommended to be used in rough to finish machining of steel under stable working conditions, good for dry and wet machining with small cutting width, complex tool path and sticky materials. AC251P P35(P25-P40） CVD coated grade is suitable for big cutting depth, medium to high speed milling of steel under bad machining conditions.
AP351M P35(P25-P45) PVD coated grade, medium hardness substrate, which is a supplement for AP251U in steel milling when high- toughness is requested. AP351U P35(P30-P45) PVD coated grade, medium hardness substrate, which is a supplement for AP251U in steel milling when high- toughness is requested.
Stainless steel, austenite stainless steel, martensite stainless steel
Basic grade
Supplemental grade
AP351M M35(M25-M45) PVD coated grade is used for milling stainless steel and steel at medium and low speed under bad machining conditions. AP403M M35(M35-M50) Ultra-thick PVD coated grade is the first choice for stainless steel milling. It is suitable for rough milling of stainless steel under bad machining conditions.
AP251U M25(M15-M35) PVD coated grade is used in rough and finish milling of stainless steel under very stable machining conditions. AP403S M45(M35-M50) PVD coated grade, the substrate has both toughness and red hardness characteristics, and is suitable for rough milling of stainless steel under bad machining conditions. Milling at low cutting speed can get longer tool life. AP351U M35(M30-M45) PVD coated grade, medium hardness substrate, which is a supplement for AP251U in steel milling when high-toughness is requested.
Cast iron, grey cast iron, nodular cast iron
Basic grade
Supplemental grade
AC301K K25(K10-K35) CVD coated grade, suitable for semi-finish milling and rough milling of grey cast iron at medium and high cutting speed, Recommended for dry cutting conditions, can achieve longer tool life. AC151K K25(K10-K35) CVD coated grade, the combination of a high wear- resistant substrate and a high bonding strength CVD coating provides excellent performance in semi-finish and rough milling of cast iron materials. AP251K K25(K15-K40) PVD coated grade is suitable for semi-finish and rough milling of grey cast iron and nodular cast iron at medium and low cutting speed, and has good tool life under dry and wet conditions.
AP151H K15(K10-K20) PVD coated grade is suitable for finish milling of grey cast iron and nodular cast iron, which can get constant surface quality and longer tool life. AC251P K35(K25-K40) PVD coated grade recommended for high speed dry cutting of cast iron.
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