Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk TYPE:1 DIN371 (for blind hole) Spiral Fluted Taps TYPE:2 DIN371 TYPE:3 DIN376 / DIN374 (for through hole) Spiral Fluted Taps (for through hole) Spiral Pointed Taps Segment:1S Hand Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads Carbide Taps Cemented M3 × 0.5 ISO2X LE3.0GBNEV 5P 56 9 18 34 3.5 2.7 6 3 1 ● M4 × 0.7 ISO2X LE4.0IBNEV 5P 63 13 21 38 4.5 3.4 6 3 1 ● M5 × 0.8 ISO2X LE5.0KBNEV 5P 70 14 25 39 6 4.9 8 3 1 ● M6 × 1 ISO2X LE6.0MBNEV 5P 80 15 30 45 6 4.9 8 3 1 ● Roll Taps M8 × 1.25 ISO2X LE8.0NBNEV 5P 90 19 35 47 8 6.2 9 3 2 ● M8 × 1 ISO2X LN8.0MBNEV 5P 90 19 - 46 6 4.9 8 3 3 ● M10 × 1.5 ISO2X LE010OBNEV 5P 100 23 39 52 10 8 11 3 2 ● M10 × 1.25 ISO2X LN010NBNEV 5P 100 23 - 51 7 5.5 8 3 3 ● M12 × 1.75 ISO2X LH012PBNEV 5P 110 26 - 56 9 7 10 3 3 ● Simple Inspection Tools Special Thread Taps M12 × 1.5 ISO2X LN012OBNEV 5P 100 21 - 51 9 7 10 3 3 ● M12 × 1.25 ISO2X LN012NBNEV 5P 100 21 - 51 9 7 10 3 3 ● Pipe Taps Thread Mills Dies Center Drills Centering Tools DIN SL-6 107