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 Boring Capability: This 9Pcs boring bar set features consistent 12mm diameter shanks and varying drilling depths up to 76.2mm, enabling accurate internal machining of holes as small as 7.9mm. Each boring bar in the set delivers reliable performance for fine-tuning bore diameters on your CNC lathe or manual machine.
• Durable High-Speed Steel Construction: Made from high-speed steel, every boring bar in this set resists wear and maintains sharpness under high-temperature cutting conditions. The robust material ensures long service life and consistent results across repeated metalworking tasks without frequent replacements.
• Versatile for Machinists and Hobbyists: Ideal for professional machinists, metalworkers, and DIY enthusiasts working on engine blocks, hydraulic cylinders, or custom parts. This boring bar set supports a wide range of hole sizes and depths, making it suitable for repair jobs, prototyping, and precision fabrication projects.
• Organized and Portable Storage: Includes a compact base measuring approximately 72 x 55 x 30mm that securely holds all 9 boring bars. The integrated storage base keeps your tools neatly arranged, prevents loss, and allows easy transport between workstations or job sites.
• Easy Installation and Replacement: With standardized 12mm F1-type shanks, each boring bar fits common tool holders without adapters. The simple design allows quick mounting and swapping during operations, reducing downtime and improving workflow efficiency in both workshop and industrial settings.