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

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 Performance: This 9Pcs boring bar set features high-speed steel construction for consistent cutting accuracy and smooth finishes in metalworking tasks. Each 12mm F1 type boring bar delivers reliable performance during internal turning operations on your CNC lathe or manual machine.
• Complete Size Variety: The boring bar set includes nine tools with varying drilling depths from 0.7in to 3in and compatible hole diameters of 0.3in, 0.4in, and 0.5in, giving you the flexibility to handle multiple boring jobs without switching tool systems or setups.
• Ideal for Machinists and Hobbyists: Whether you're a professional machinist or a DIY workshop enthusiast, this boring bar set meets the demands of precision projects like engine rebuilding, custom part fabrication, or repair work requiring accurate internal diameters and clean bore surfaces.
• Durable High-Speed Steel Build: Made from high-speed steel, each boring bar in this set resists wear and maintains sharpness through repeated use, ensuring long service life even under demanding machining conditions and frequent tool changes.
• Convenient Storage and Portability: The included base measures approximately 2.8 x 2.2 x 1.2in and securely holds all nine boring bars, keeping your workspace organized and making it easy to transport or store the set without losing individual tools.