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 M6 × 1 ISO2X LD6.0MBFCL5 5P 80 15 30 45 6 4.9 8 3 1 ● M8 × 1.25 ISO2X LD8.0NBFCL5 5P 90 19 35 47 8 6.2 9 3 2 ● M10 × 1.5 ISO2X LD010OBFCL5 5P 100 23 39 52 10 8 11 3 2 ● M10 × 1.25 ISO2X LM010NBFCL5 5P 100 23 - 51 7 5.5 8 3 3 ● Roll Taps M12 × 1.75 ISO2X LG012PBFCL5 5P 110 26 - 56 9 7 10 4 3 ● M12 × 1.5 ISO2X LM012OBFCL5 5P 100 21 - 51 9 7 10 4 3 ● M12 × 1.25 ISO2X LM012NBFCL7 7P 100 21 - 51 9 7 10 4 3 ● M14 × 1.5 ISO2X LM014OBFCL7 7P 100 21 - 51 11 9 12 4 3 ● M16 × 1.5 ISO2X LM016OBFCL7 7P 100 21 - 51 12 9 12 4 3 ● Simple Inspection Tools Special Thread Taps Pipe Taps Thread Mills Dies Center Drills Centering Tools DIN SL-4 105