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KYOCERA Releases New 45 Degree Milling Series Engineered for Durability and Versatility

Up close image of the MB45 in a CNC Machine over a finished surface

KYOCERA introduces the MB45 Milling Series setting a new standard for general purpose milling featuring economical 8-edge inserts and an innovative new helical body design giving customers a more durable and versatile cutter with better finish capabilities over conventional mills. 

General-purpose milling cutters must strike a balance between quality, performance, long tool life, economy, and versatility to effectively handle a wide range of machining tasks. The MB45 does not compromise on any of these features. These next-generation cutters are ultra-durable, ensuring reliability when used in general machining applications or for more unique solutions. The MB45 series delivers the low cutting force benefits of positive inserts and the fracture resistance of negative inserts, ensuring an exceptional surface finish, while making it an ideal option for smaller machining centers. The series is designed to cater to a broad spectrum of machining applications giving customers a cost-effective solution for a wider range of possibilities. 

The MB45 series is enhanced by KYOCERA’s new PR18 Series PVD coating, a cutting-edge technology that significantly extends tool life. These grades incorporate proprietary MEGACOAT NANO EX coating technology, achieving, in some cases, double the resistance and durability. By using a unique double lamination technique with special nano multi-layers for abrasion, wear, and heat resistance, this coating surpasses conventional grades, delivering superior performance and extending the lifespan of the tools. 

Features & Benefits

  • Durable and versatile high-performance design  
  • Low cutting force benefits of positive inserts and the fracture resistance of negative inserts 
  • Excellent surface finish 
  • Economical 8-edge inserts 
  • 5 insert designs for a variety of machining applications including a wiper finisher 
  • Low cutting force, high rake, make the MB45 an ideal choice for smaller machining centers 
  • Next generation PR18 Series MEGACOAT NANO EX milling insert technology for extended tool life 

Product Details

  • Face Mill Diameters: 2.000” – 5.000” | 40mm – 250mm (Coarse Pitch, Fine Pitch, and Extra Fine Pitch) 
  • End Mill Diameters: 1.500” – 2.500” | 40mm – 80mm 
  • PR1825 Recommended for Steel and TN620M (Cermet) Recommended for Finishing Steels 
  • PR1835 Recommended for Stainless Steels and Titanium Alloy 
  • PR1810 Recommended for Cast Irons 
  • CA6535 for Heat-Resistant Alloys and High-Speed Stainless Steel Machining 
  • PR015S (GH Chipbreaker) for Hardened Materials 
  • PDL025 (Diamond Like Coating) and GW25 (Uncoated Carbide) for Aluminum Alloys 
Multiple MB45 mills from the MB45 Milling Series


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