Taper Style: Starts the thread square with the workpiece. Plug Style: Generally used in through holes.
Sharp spiral flutes provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation. Common flute and overall length for minimal adjustment during tool changes.
Mainly used for hand use, tapping the vast majority of materials in through or blind holed conditions.