Amana Tool 48054-E High Performance End Mill 1/4 D x 2-1/8 CH x 1/4 SHK x 4 Inch Long SC Fiberglass and Composite Cutting AlTiN Coated Router Bit

2-Flute Center Cutting End Mill Face for Ultimate StrengthAmana Tool offers an array of unique extended life Aluminum Titanium Nitride (AlTiN) coated router bits for all your fiberglass application needs. Premium AlTiN coating provides double the hardness of cutting edges resulting in quantum increases in productivity, either in terms of speed or longevity, with or without coolant. Coating helps prevent edge failures due from vibration and shock during CNC and manual feed applications.Excellent for cutting: Carbon Fiber Carbon-Fiber-Reinforced Polymer - Plastic Materials (CFRP) Composite Materials G10 / FR-4 Glass Epoxy Composite Laminate Material G11 / FR-5 Glass Epoxy Composite Laminate Material Glass Reinforced Plastic (GRP) Fiberglass Fiberglass PCB Board Fiber Reinforced Plastic (FRP) Phenolic Thermosetting Plastics Thermoset Composites Micarta*AlTiN coating has many benefits: Extra wear resistance Allows for faster feed and speed rates Cutting edge protected from wear Better chip evacuation Less heat build up Superior cutting quality and extended tool life*Brand name for composites of linen, canvas, paper, fiberglass, carbon fiber or other fabric in a thermosetting plastic.