Amana tool 48054-D High Performance Dril End 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

135° combination drill/diamond-cut router bits for clean vertical feed with minimum workpiece deflection Amana 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 FiberCarbon-Fiber-Reinforced Polymer - Plastic Materials (CFRP)Composite MaterialsG10 / FR-4 Glass Epoxy Composite Laminate MaterialG11 / FR-5 Glass Epoxy Composite Laminate MaterialGlass Reinforced Plastic (GRP)FiberglassFiberglass PCB BoardFiber Reinforced Plastic (FRP)Phenolic Thermosetting PlasticsThermoset CompositesMicarta*AlTiN coating has many benefits: Extra wear resistanceAllows for faster feed and speed ratesCutting edge protected from wearBetter chip evacuationLess heat build upSuperior cutting quality and extended tool life*Brand name for composites of linen, canvas, paper, fiberglass, carbon fiber or other fabric in a thermosetting plastic.