Check the listing for details. 6pcs Metric Spiral Flute Thread Taps M3x0.5 H2 Nitride Coated Threading Tapping. Condition: New. Listed at 20.63 USD. Thread Size: M3 x 0.5 (Right Hand)Accuracy: H2Thread Length: 11mm / 0.43"Total Length: 49mm / 1.93"Square Shank Width: 3.1mm / 0.12" (Round Shank Dia.: 3.9mm / 0.15")Material: 6542/M2 High Speed Steel (HSS)Finish: Nitride CoatedPackage Content: 6pcs x Spiral Flute Thread TapsDescriptions:Metric thread tap features spiral flutes, clear threads without burrs, and right hand thread cutting. Spiral flutes are fully ground to provide upward chip removal. Flutes on the screw tap help to remove chips and debris from the hole.6542 (M2) high speed steel screw taps run at high speeds and generate threads quickly and efficiently, offering high hardness, wear resistance, and good toughness. Nitride coating increases hardness, enhances wear resistance, and reduces friction for longer service life, resulting in smoother, faster tapping performance.