Sale is for One Tap to DIN 374 Specification. the right hand spiral cut of the flutes acts to force the swarf away from the cutting teeth to the rear of the flutes and out of the hole.
Machine Spiral Flute Tap M18 x 1.0 18 mm DIN 374 Mf
White Anello Machine Spiral Flute Tap M 6 x 0.75 for Stainless Steel (INOX) 6 mm
Machine Spiral Flute Tap M13 x 1.0 13 mm DIN 374
Two WIDIA GTD #10-32 UNF Spiral Flute Tap H5 3FL Semi-Bottom 5357404 TWO TAPS
V-Coil STI Helical Wire Thread Insert Spiral Flute Tap for M14 x 1.25 14 mm
