Hole Enlarging Drill BitsFeatures:1. High strength and hardness.2. Easy to carry and store. 4. For 3D relief sculpturing, cutting, engraving, slotting, milling, etc.Specification:Type: Flat End MillMaterial: CarbideFlute: 2Shank: 3.175 mm 4 mm 6 mm 8 mm 10 mm 12mmApplication:Especially for wood hard wood.Majority of plastics ,Copper,jade and other hard materials engraving and cutting fine, Acrylic, PVC, Nylon, Resin, Wood, Plywood, Hardwood, Fibre glass, marble, etcPack Including: 1pcFlat End Mill