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 Engineering: This 9Pcs boring bar set features F1-type high speed steel construction with consistent 12mm shank diameter for secure fit in standard tool holders, delivering accurate internal turning and boring operations on lathes without slippage or vibration.
• Versatile Sizing Options: The boring bar set includes nine tools with varying drilling depths from 19mm to 76.2mm and smallest bore diameters of 7.9mm, 11.1mm, and 13mm, allowing you to tackle a wide range of hole-finishing tasks in metal, plastic, or composite materials.
• Ideal for Machinists and Hobbyists: Designed for both professional machinists and DIY workshop enthusiasts, this boring bar set supports precision internal machining on CNC or manual lathes, making it perfect for engine rebuilding, prototyping, or custom part fabrication.
• High-Speed Steel Durability: Each boring bar is crafted from high-speed steel that maintains sharpness under heat and stress, ensuring long service life and consistent performance even during extended cutting sessions on tough materials like stainless steel or aluminum.
• Organized and Portable Storage: The set comes with a compact 72 x 55 x 30mm storage base that holds all nine boring bars securely in place, preventing loss or damage while offering easy portability between workbenches or job sites.