Specification Brand : KATUR BulletPoint1 : [PCB Drill Bit] Made of high speed steel, stable and durable, precision machining by high accurate equipment. BulletPoint2 : [Size] Including 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm head diameter. BulletPoint3 : [Easy to store and carry] Comes with a high quality blow molding storage box, twist drills in every sizes have their own slot. BulletPoint4 : [Use for] The mini PCB drill bits can be used for PCB, normal FR-4, CEM-3 boards, environmental protection board, SMT, CNC, molds, plastic, stainless steel and precision hardware processing. BulletPoint5 : [Buy with Confidence] We offer "TWO YEAR" warranty on item(s) that confirm to be manufacturer defect.We'll respond within 24 hours on weekdays.(Please clamp the shaft in right place and necessary protective measures in woodworking processing.) FinishType : Silver GpsrSafetyAttestation : 1 ItemName : KATUR Mini PCB Drill Bits 10pcs Carbide Mini Tool for Rotary Tool Jewelry CNC Board Power Engraving 1.1-2.0mm ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : wood-drill-bit-sets Manufacturer : KATUR Material : High Speed Steel NumberOfFlutes : 2 NumberOfPieces : 10 PartNumber : BT-5356 ProductDescription : Features: Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset. To removing chips, with big space and small resistance; Smooth chip removal, less heating value, to reduce pollution These drills can be used on circuit board, carbon fiber, composite board, and so on.