Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ② DIN L ℓ ℓn ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer Spiral Fluted Taps (for blind hole) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes ① M14 × 1.5 ISO2X LN014OBNEV 5P 100 21 - 51 11 9 12 3 3 M16 × 2 ISO2X LH016QBNEV 5P 110 26 - 56 12 9 12 3 3 M16 × 1.5 ISO2X LN016OBNEV 5P 100 21 - 51 12 9 12 3 3 M18 × 2.5 ISO2X LH018RBNEV 5P 125 33 - 64 14 11 14 4 3 Spiral Fluted Taps (for through hole) M18 × 1.5 ISO2X LN018OBNEV 5P 110 24 - 56 14 11 14 4 3 ② M20 × 2.5 ISO2X LH020RBNEV 5P 140 33 - 71 16 12 15 4 3 M20 × 1.5 ISO2X LN020OBNEV 5P 125 24 - 64 16 12 15 4 3 Spiral Pointed Taps (for through hole) ③ Hand Taps ④ Cemented Carbide Taps ⑤ Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ②-14