Specification Brand : KDAFA BulletPoint1 : Small boring cutter, carbide steel applied to aluminum, copper, just the objects such as close to processing. BulletPoint2 : Gm CNC lathes, machining centers. BulletPoint3 : High hardness and durability. BulletPoint4 : Structure type: integral type BulletPoint5 : Material: carbide steel ExternallyAssignedProductIdentifier1 : 0770264284897 ExternallyAssignedProductIdentifier2 : 770264284897 ItemName : Boring Cutter, 2/3/4/5/6/8mm Small Hole Carbide Steel Boring Cutter Bar Handle Hole Boring Cutter (5mm) ItemTypeKeyword : chucking-reamers Manufacturer : KDAFA PartNumber : 1 ProductDescription : Specification: Material: carbide steel Structure type: integral type Usage: internal turning tool Applicable machine tool: latheSizeDiameter of the shank Working diameterOverall lengthEffecient deepth 2mm 4mm2mm50mm7mm 3mm4mm3mm50mm10mm 4mm4mm4mm50mm12mm 5mm5mm5mm50mm15mm 6mm6mm6mm50mm18mm 8mm8mm8mm60mm20mm Features: Small boring cutter, carbide steel applied to aluminum, copper, just the objects such as close to processing. Gm CNC lathes, machining centers. High hardness and durability.