9PCS F1 Type Boring Cutter 3/8 - Inch CNC Milling Tools Kit Set, High - Speed Steel Lathe Boring Bar with Multiple Lengths for Precision Machining and Metalworking

Item Type: Boring cutterQuantity: 9Material: High speed steelBase Diameter Height Drilling Depth Minimum Hole 3 / 8 inch 2 inch 3 /4 inch 5 / 16 inch 3 / 8 inch 2-3/8 inch 1-1/8 inch 5 / 16 inch 3 / 8 inch 2-3/4 inch 1-1/2 inch 5 / 16 inch 3 / 8 inch 2-3/16 inch 15/ 16 inch 3/8 inch 3 / 8 inch 2-21/32 inch 1-13/32 inch 3/8 inch 3 / 8 inch 3-1/8 inch 1-7/8 inch 3/8 inch 3 / 8 inch 2-3/8 inch 1-1/8 inch 7 / 16 inch 3 / 8 inch 3-15/16 inch 1-11/16 inch 7 / 16 inch 3 / 8 inch 3-1/2 inch 2-1/4 inch 7 / 16 inchPackage List：9 x Boring Cutter

• Precision High-Speed Steel Construction: This F1 type boring cutter is made from high-speed steel, ensuring exceptional hardness, wear resistance, and long service life during demanding CNC milling or lathe operations. The durable material maintains sharpness over time, delivering consistent performance for professional metalworkers and hobbyists alike.
• Multiple Length Options for Versatile Use: The 9-piece boring tool set includes cutters of varying lengths and drilling depths, allowing you to tackle a wide range of hole-boring tasks in tight or deep cavities. Each boring bar is precisely engineered to fit standard tool holders, making setup quick and reliable in real-world machining scenarios.
• Ideal for Professional and DIY Machinists: Designed for use on lathes and CNC mills, this boring cutter kit suits machinists, engineers, and metalworking enthusiasts who need accurate internal diameter adjustments. Whether repairing engine blocks, crafting custom parts, or prototyping, these tools deliver clean, precise cuts in steel, aluminum, and other metals.
• Factory-Tested for Quality Assurance: Every boring cutter in this set undergoes rigorous inspection before leaving the factory, guaranteeing dimensional accuracy and structural integrity. The precision craftsmanship ensures smooth operation without chatter or deflection, giving you confidence in every cut and reducing material waste during production.
• Complete Ready-to-Use Kit with Standard Dimensions: The set includes 9 F1-type boring cutters, each with a 3/8-inch shank diameter and compatible with common tool posts. Drilling depths range from 15/16 inch to 2-1/4 inch, with minimum bore sizes of 5/16 inch or 7/16 inch—perfect for small to medium internal machining jobs right out of the package.