Check the listing for details. 3pcs Spiral Flute Thread Taps 1/4-20 UNC H2 Ti-Coated Screw Threading Tapping. Condition: New. Listed at 22.69 USD. Thread Size: 1/4-20 UNC (Right Hand)Accuracy: H2Thread Length: 24mm / 0.94"Total Length: 70mm / 2.76"Square Shank Width: 4.9mm / 0.19" (Round Shank Dia.: 6.28mm / 0.25")Material: 6542/M2 High Speed Steel (HSS)Finish: Titanium CoatedPackage Content: 3pcs x Spiral Flute Thread TapsDescriptions: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. 6542 (M2) High Speed Steel: Run at high speeds and generate threads quickly and efficiently, offering high hardness, wear resistance, and good toughness.