① Spiral Fluted Tap Series for blind hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ANSI SP Spiral Fluted Taps L ℓ ℓn ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer Spiral Fluted Taps (for blind hole) (inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes ① M4 × 0.7 D4 SS4.0I4NEB 2.5P 2.48 0.512 0.815 1.535 0.168 0.131 0.25 3 2 M5 × 0.8 D4 SS5.0K4NEB 2.5P 2.756 0.551 0.984 1.654 0.194 0.152 0.25 3 2 M6 × 1 D5 SS6.0M5NEB 2.5P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 3 2 M7 × 1 D5 SS7.0M5NEB 2.5P 3.543 0.748 1.339 1.831 0.318 0.238 0.375 3 3 Spiral Fluted Taps (for through hole) M7 × 0.75 ② D4 SS7.0J4NEB 2.5P 3.543 0.748 1.339 1.831 0.318 0.238 0.375 3 3 M7 × 0.5 D4 SS7.0G4NEB 2.5P 3.543 0.394 1.339 1.831 0.318 0.238 0.375 3 4 M8 × 1.25 D5 SS8.0N5NEB 2.5P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 3 3 M8 × 1 D5 SS8.0M5NEB 2.5P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 3 3 M8 × 0.75 D4 SS8.0J4NEB 2.5P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 3 3 Spiral Pointed Taps (for through hole) ③ M8 × 0.5 D4 SS8.0G4NEB 2.5P 3.543 0.394 1.378 1.831 0.318 0.238 0.375 3 4 M9 × 1.25 D5 SS9.0N5NEB 2.5P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 3 3 M9 × 1 D5 SS9.0M5NEB 2.5P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 3 3 M10 × 1.5 D6 SS010O6NEB 2.5P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 3 3 Hand Taps M10 × 1.25 D5 SS010N5NEB 2.5P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 3 3 ④ M10 × 1 D5 SS010M5NEB 2.5P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 3 3 M10 × 0.75 D4 SS010J4NEB 2.5P 3.937 0.512 1.535 2.126 0.381 0.286 0.437 3 4 M11 × 1.5 D6 SS011O6NEB 2.5P 3.937 0.906 - 2.008 0.323 0.242 0.406 3 5 M12 × 1.75 D6 SS012P6NEB 2.5P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 5 Cemented Carbide Taps M12 × 1.5 ⑤ D6 SS012O6NEB 2.5P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 5 M12 × 1.25 D6 SS012N6NEB 2.5P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 5 M12 × 1 D5 SS012M5NEB 2.5P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 5 M14 × 2 D7 SS014Q7NEB 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 M14 × 1.5 Roll Taps D6 SS014O6NEB 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 ⑥ M14 × 1.25 D6 SS014N6NEB 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 M14 × 1 D5 SS014M5NEB 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 M16 × 2 D7 SS016Q7NEB 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 M16 × 1.5 D6 SS016O6NEB 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 Special Thread Taps Simple Inspection Tools M16 × 1 D5 SS016M5NEB 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 ⑦ M18 × 2.5 D7 SS018R7NEB 2.5P 4.921 1.299 - 2.52 0.542 0.406 0.625 4 5 M18 × 2 D7 SS018Q7NEB 2.5P 4.921 1.299 - 2.52 0.542 0.406 0.625 4 5 M18 × 1.5 D6 SS018O6NEB 2.5P 4.921 0.945 - 2.52 0.542 0.406 0.625 4 6 M18 × 1 D5 SS018M5NEB 2.5P 4.921 0.945 - 2.52 0.542 0.406 0.625 4 6 Pipe Taps ⑧ M20 × 2.5 D7 SS020R7NEB 2.5P 5.512 1.299 - 2.795 0.652 0.489 0.687 4 5 M20 × 2 D7 SS020Q7NEB 2.5P 5.512 1.299 - 2.795 0.652 0.489 0.687 4 5 M20 × 1.5 D6 SS020O6NEB 2.5P 5.512 0.945 - 2.795 0.652 0.489 0.687 4 6 M20 × 1 D5 SS020M5NEB 2.5P 5.512 0.945 - 2.795 0.652 0.489 0.687 4 6 M22 × 2.5 Thread Mills Premium Thread Mills D7 SS022R7NEB 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 ⑨ M22 × 2 D7 SS022Q7NEB 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 M22 × 1.5 D6 SS022O6NEB 2.5P 5.512 0.945 - 2.795 0.697 0.523 0.75 4 6 M22 × 1 D5 SS022M5NEB 2.5P 5.512 0.945 - 2.795 0.697 0.523 0.75 4 6 M24 × 3 D8 SS024S8NEB 2.5P 6.299 1.457 - 3.228 0.76 0.57 0.75 4 5 Dies M24 × 2 ⑩ D7 SS024Q7NEB 2.5P 6.299 1.063 - 3.228 0.76 0.57 0.75 4 6 M24 × 1.5 D6 SS024O6NEB 2.5P 6.299 1.063 - 3.228 0.76 0.57 0.75 4 6 M24 × 1 D5 SS024M5NEB 2.5P 6.299 1.063 - 3.228 0.76 0.57 0.75 4 6 M25 × 1.5 D6 SS025O6NEB 2.5P 6.299 1.063 - 3.228 0.8 0.6 0.812 4 6 M26 × 1.5 D6 SS026O6NEB 2.5P 7.087 1.063 - 3.622 0.896 0.672 0.875 4 6 Center Drills Centering Tools ⑪ M27 × 3 D8 SS027S8NEB 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 M27 × 2 D7 SS027Q7NEB 2.5P 7.087 1.063 - 3.622 0.896 0.672 0.875 4 6 M27 × 1.5 D6 SS027O6NEB 2.5P 7.087 1.063 - 3.622 0.896 0.672 0.875 4 6 ANSI ①-45 ※ This product is different from JIS products in shape and dimensions, please be careful when using.