12Pcs HSS Combined Tap Drill Bit Set Metric Blue Plated Imperial Ti Plated 1/4in Hex Shank for Metalworking Woodworking DIY Projects

Item Type: Combined Tap DrillMaterial: High speed steelSurface Treatment: Metric System: Surface Blue Treatment, Imperial System: Surface Ti treatmentMetric Specifications: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5Imperial Specifications: 1/4-20NC, 12-24NC, 10-24NC, 10-32NC, 8-32NC, 6-32NCHex Handle Diameter: 1/4inPackage List：12 x Combined Tap Drill1 x Plastic CaseNote:Confirm the appropriate size before use, and do a good job of safety protection during use.

• [PROFESSIONAL GRADE PERFORMANCE] Engineered from high-speed steel with precision spiral grooves, our tap drill bits provide chip removal and cutting efficiency. The advanced design ensures cleaner holes and extended tool life for both professional and DIY applications.
• [DOUBLE-LAYER PROTECTION] Featuring both blue plating (metric) and plating (imperial), these bits offer exceptional resistance and durability. The protective coatings reduce friction and prevent rust, making them ideal for demanding workshop environments.
• [TIME-SAVING 2-IN-1 FUNCTION] Revolutionize your workflow with our innovative combined tap drill design that performs drilling and tapping in one operation. for projects requiring speed and precision without compromising on quality.
• [HEAVY-DUTY CONSTRUCTION] Built to last with high-grade materials and a sturdy 1/4in hex shank, these bits maintain their sharpness through rigorous use. The reinforced design prevents breakage and ensures consistent performance in various materials.
• [VERSATILE MATERIAL COMPATIBILITY] Specifically designed for soft metals, aluminum, iron, and wood, this comprehensive 12-piece set covers a wide range of metric and imperial sizes. Whether for automotive repairs, furniture making, or home improvements, it delivers professional results every time.