9Pcs Boring Bar Set, 12mm F1 Type High Speed Steel CNC Lathe Tool Holding with Storage Base for Precision Machining and Metalworking Applications

Item Type: Boring BarQuantity: 9PcsMaterial: High speed steelBase Size: Approx. 72 x 55 x 30mm / 2.8 x 2.2 x 1.2inBase diameter Height Drilling depth Smallest hole 12mm / 1/2in 57.1mm / 2.2in 19mm / 0.7in 7.9mm / 0.3in 12mm / 1/2in 66.6mm / 2.6in 28.5mm / 1.1in 7.9mm / 0.3in 12mm / 1/2in 76.2mm / 3in 38.1mm / 1.5in 7.9mm / 0.3in 12mm / 1/2in 66.6mm / 2.6in 28.5mm / 1.1in 11.1mm / 0.4in 12mm / 1/2in 80.9mm / 3.2in 42.8mm / 1.7in 11.1mm / 0.4in 12mm / 1/2in 95.2mm / 3.7in 57.15mm / 2.3in 11.1mm / 0.4in 12mm / 1/2in 76.2mm / 3in 38.1mm / 1.5in 13mm / 0.5in 12mm / 1/2in 95.2mm / 3.7in 57.1mm / 2.2in 13mm / 0.5in 12mm / 1/2in 114.3mm / 4.5in 76.2mm / 3in 13mm / 0.5in Package List：9 x Boring Bar

• Precision Machining Ready: This 9Pcs boring bar set features F1-type high speed steel boring bars with consistent 12mm shank diameter for accurate internal turning and boring operations on lathes, delivering clean cuts and tight tolerances in metalworking projects.
• Versatile Depth and Hole Sizes: The boring bar set includes nine tools with varying drilling depths from 19mm to 76.2mm and smallest hole capacities of 7.9mm, 11.1mm, and 13mm, allowing you to tackle a wide range of bore diameters and workpiece thicknesses efficiently.
• Ideal for Machinists and Hobbyists: Designed for both professional machinists and DIY metalworkers, this boring bar set is perfect for engine rebuilding, custom fabrication, or repair tasks requiring precise internal cylindrical surfaces on lathes or CNC machines.
• High-Speed Steel Construction: Each boring bar in the set is made from durable high speed steel that maintains sharpness under heat and stress, ensuring long service life and reliable performance even during extended machining sessions on steel, aluminum, or brass.
• Organized and Portable Storage: The set comes with a compact base measuring approximately 72 x 55 x 30mm that securely holds all nine boring bars, making tool organization simple and transport between workshop stations quick and -free.