Specification Brand : Hilitand BulletPoint1 : [Sturdy and High Hardness] With anti-bending strength, high hardness, and durability, these milling cutters offer long-lasting reliability for various cutting tasks. BulletPoint2 : [Versatile Engraving Capabilities] From circuit boards to hardware parts, plastics, copper, and stainless steel, these milling cutters can engrave a variety of items and materials with accuracy. BulletPoint3 : [Tungsten Carbide Steel] These milling cutters are crafted from tungsten carbide steel, ensuring exceptional milling and cutting performance for high work efficiency. BulletPoint4 : [Clean and Neat Finish] The well-polished surfaces of the cutters ensure a clean and no burr finish, making them suitable for a wide range of materials. BulletPoint5 : [Precise Cutting Edges] The smooth cutting edges of these cutters are ideal for milling holes, grooves, and edges on plates, delivering smooth and precise results. Color : Combination 6: Single black hand-twisted drill IncludedComponents : no ItemName : 10pcs 3.175mm Shank, 2mm Cutting Diameter Cutting Bits, Coated Double Flute End Mill, for Engraving Circuit Boards ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : circuit-board-drill-bits Manufacturer : Hilitand Material : Alloy Steel ModelName : Diochec62aofneig ModelNumber : Hilitandg43fgrmcix NumberOfFlutes : 4 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Hilitandg43fgrmcix ProductDescription : Specifications: Material: Tungsten carbide steel Type: 2-flute end mill Length: 40mm(±2mm) Shank Diameter: 3.175mm(1/8) Cutting Diameter: 2mm Cutting Length: 12mm Quantity: 10pcs