12mm Boring Bar Set, 9Pcs CNC Lathe & Milling Tool Holding Steel Set with Base | Industrial Round Shank Drill Bits for Turning, Grooving & Thread Processing

• Durable High-Quality Steel Construction: Engineered from robust steel for exceptional hardness and impact resistance, ideal for machining hardened materials with extended tool lifespan. Optimal choice for CNC lathes, milling machines, and industrial drilling applications.
• Precision Machining with Base: 9-piece set featuring 12mm diameter tools with varied lengths (F1 type) housed on a compact storage base. Enables rapid tool swaps to boost workshop efficiency across diverse machining scenarios.
• Multi-Purpose Machining Capabilities: Delivers stable performance for turning, grooving, threading, and bore processing tasks. Compatible with lathes and CNC milling equipment for steel/metallurgical workpiece fabrication.
• Versatile Boring Applications: Processes internal/external cylindrical surfaces, stepped/contoured bores, and annular grooves. Suitable for precision reaming, profiling, and face machining operations.
• Enhanced Cutting Edge Design: Round shank configuration ensures secure clamping while indexable carbide inserts facilitate economical tip replacements. Streamlines metal removal in high-accuracy production environments.

Specification: Item Type: Boring Bar Quantity: 9Pcs Material: High speed steel Base Size: Approx. 72 x 55 x 30mm / 2.8 x 2.2 x 1.2in Base diameter Base 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