
④ Hand Tap Series Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk DIN EH-HT Hand Taps for Hard-to-Machine Materials L ℓ ℓn ℓs Ds K ℓk No. of Size Class Code Chamfer TYPE Spiral Fluted Taps (for blind hole) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes ① M18 × 1.5 ISO2X TM018OBDCBC 2.5P 110 24 - 56 14 11 14 4 3 M20 × 2.5 ISO2X TG020RBDCBC 2.5P 140 33 - 71 16 12 15 4 4 M20 × 1.5 ISO2X TM020OBDCBC 2.5P 125 24 - 64 16 12 15 4 3 M22 × 2.5 ISO2X TG022RBDCBC 2.5P 140 33 - 71 18 14.5 17 4 4 Spiral Fluted Taps (for through hole) M24 × 3 ② ISO2X TG024SBDCBC 2.5P 160 37 - 82 18 14.5 17 4 4 For G Threads G 1/8-28 - TVG0020DCBC 2.5P 90 19 - 46 7 5.5 8 4 3 G 1/4-19 - TVG0040DCBC 2.5P 100 21 - 51 11 9 12 4 3 G 3/8-19 - TVG0060DCBC 2.5P 100 21 - 51 12 9 12 4 3 Spiral Pointed Taps (for through hole) ③ G 1/2-14 - TVG0080DCBC 2.5P 125 24 - 64 16 12 15 4 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 ④-125 ※ This product is different from JIS products in shape and dimensions, please be careful when using.