7-Piece HSS Hex Shank Metric Tap Drill Bit Set for Internal Threading M3-M12 - Blue Coated Spiral Tapping Tools

Tap Drill Bit Material : HSSWith multiple cutting edges, these cutting edges gradually cut threads during rotation and feed.Widely used for internal threading, drilling and reaming operations in a variety of metallic and non-metallic materials.Taps with a helical cutting edge allow tapping in blind holes. Helical flute taps are easy to use and help pull chips out of the target hole towards the tap shank and export chips in the opposite direction of tapping during use.Size : M3x0.5 M4x0.7 M5x0.8 M6x1.0 M8x1.25 M10x1.5 M12x1.75Package Content: 7pcs Tap Drill Bit

• Comprehensive 7-piece set includes M3, M4, M5, M6, M8, M10, and M12 taps for versatile internal threading applications.
• Constructed from high-speed steel (HSS) for superior hardness and durability, ensuring long-lasting performance and corrode resistance.
• devised with a spiral fluted shape to efficiently cut threads in both blind and through holes, making it ideal for a variety of materials.
• Features a 1/4 inch hexagonal shank compatible with hand drills, impact drills, bench drills, and power screwdrivers for easy use.
• Perfect for drilling, threading, deburring, and countersinking in steel, copper, wood, Reusable Reusable Reusable Reusable plastic, and aluminum, suitable for both DIY and professional projects.