Features *6PCS HSS Machine Screw Thread Metric Plug Tap Drill Set M3 M4 M5 M6 M8 M10 *Features excellent chip performance, tapping smooth. *Practical and durable. *Real and clear material, suitable options can be selected according to requirements, high-strength use please choose HSSE M35 Cobalt Spiral 6pcs. HSS 6542 Point 6pcs Material: high speed steel 6542; Standard: Metric; Surface treatment: Titanium plating; Dimensions: M3*0.5mm; M4*0.7mm; M5*0.8mm; M6*1.0mm; M8*1.25mm; M10*1.5mm. Purpose: Used for manual or mechanical tapping. HSSE M35 Cobalt Spiral 6pcs Material: high-speed steel containing cobalt M35; Standard: Metric; Surface color: Brown; Dimensions: M3*0.5mm; M4*0.7mm; M5*0.8mm; M6*1.0mm; M8*1.25mm; M10*1.5mm. Purpose: Used for manual or mechanical tapping. Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. includes: