Specification Brand : BORDSTRACT BulletPoint1 : Efficient and Precise Drilling: These micro twist bits feature a meticulously engineered incisive cuing edge and a large spiral notch design. This combination facilitates rapid and efficient chip removal during the drilling process, resulting in cleaner holes and a smoother overall finish. BulletPoint2 : Enhanced Cuing Performance: Crafted using cuing-edge nanotechnology and precision grinding techniques, these drill bits exhibit exceptional cuing performance. The advanced manufacturing processes ensure a sharper cuing edge and optimized chip flowing, allowing for faster drilling speeds and reduced work piece damage. BulletPoint3 : Extended Tool Life: Constructed from premium tungsten steel renowned for its exceptional hardness and wear resistance, these drill bits are built to withstand demanding applications. The construction minimizes the risk of breakage during use, ensuring prolonged tool life and consistent performance over extended periods. BulletPoint4 : Versatile 10-Piece Set: This comprehensive set includes ten micro twist drill bits in sizes ranging from 0.3mm to 1.2mm, catering to a wide array of precision drilling needs. Whether you're working on intricate PCB projects, delicate jewelry making, or detailed model crafting, this set provides the ideal size for every task. BulletPoint5 : Ideal for Precision Drilling: These micro twist drill bits are specifically designed for use with high-accuracy drilling equipment commonly employed in electronics, crafting, and model making. Their precision construction makes them ideal for applications involving printed circuit board drilling machines, carving machines, CNC routers, and other precision drilling tools. Color : 3.17mm ItemName : 10Pcs PCB Drill Bit Straight Handle Twist, Tungsten Steel Mini Punch Tool Set, 0.6 to 1.5mm Hand Drill Micro Mini Twist Drill Bit ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : micro-drill-bits Manufacturer : BORDSTRACT ModelName : BORDSTRACTbhai4x2fs0 ModelNumber : BORDSTRACTbhai4x2fs0 NumberOfItems : 1 PackageLevel : unit PartNumber : BORDSTRACTbhai4x2fs0 ProductDescription : Item Type: Mini Twist Drill l: Tungsten steel Specification: 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm