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

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 high-speed steel construction and consistent 12mm shank diameter, delivering accurate internal hole machining for metal lathes. Each boring bar in the set is engineered for stable cutting performance, minimizing vibration during operation to ensure clean, precise bores in demanding workshop environments.
• Versatile Length and Depth Options: The boring bar set includes nine tools with varying lengths and drilling depths ranging from 19mm to 76.2mm, allowing you to tackle a wide range of boring tasks. Whether you're working on shallow pockets or deep internal cavities, this boring bar set provides the flexibility needed for professional and hobbyist machining projects alike.
• Designed for Machinists and DIY Enthusiasts: Ideal for CNC lathe users, metalworkers, and garage tinkerers, this boring bar set supports common F1 tool holders and fits standard 12mm tool posts. The set is perfect for automotive repair, prototyping, or custom part fabrication where internal diameter accuracy and repeatability are essential.
• High-Speed Steel Durability: Made entirely from high-speed steel, each boring bar in this set resists wear and maintains sharpness even under prolonged use. This material choice ensures long service life and consistent performance across various metals, including aluminum, brass, and mild steel, without frequent replacement or regrinding.
• Convenient Storage and Organization: The set comes with a compact storage base measuring approximately 72 x 55 x 30mm, keeping all nine boring bars securely organized and easily accessible. This included base prevents loss, protects cutting edges, and makes transport between workstations simple—ideal for maintaining a tidy and efficient workshop.