Presto 3 Piece HSS Tap Set Include Taper/Second/Plug with Tapping Drill Size
3mm tap set & 2.5mm jobber drill. - 4mm tap set & 3.3mm jobber drill. - 5mm tap set & 4.2mm jobber drill. - 6mm tap set & 5.0mm jobber drill. - 8mm tap set & 6.8mm jobber drill. - 10mm tap set & 8.5mm jobber drill.