Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools ① Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk DIN HVSP Z-PRO Heavy Industry Spiral Fluted Tap for Large Parts Processing ① Size Class Code Chamfer L (mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutesTYPEFor Unified Threads 1 -8UNC 2BX SGU16XYEEXJ 2.5P 160 37 - 82 18 14.5 17 4 2 1 -12UNF 2BX SMU16SYEEXJ 2.5P 140 27 - 71 18 14.5 17 4 2 1 1/8-7UNC 2BX SGU18YYEEXJ 2.5P 180 44 - 92 22 18 21 4 2 ② 1 1/8-8UN 2BX SMU18XYEEXJ 2.5P 180 44 - 92 22 18 21 4 2 1 1/8-12UNF 2BX SMU18SYEEXJ 2.5P 150 27 - 77 22 18 21 4 2 1 1/4-7UNC 2BX SGU20YYEEXJ 2.5P 180 49 - 92 22 18 21 4 2 1 1/4-8UN 2BX SMU20XYEEXJ 2.5P 180 49 - 92 22 18 21 4 2 1 1/4-12UNF 2BX SMU20SYEEXJ 2.5P 150 27 - 77 22 18 21 4 2 ③ 1 3/8-6UNC 2BX SGU22ZYEEXJ 2.5P 200 55 - 102 28 22 25 4 2 1 3/8-8UN 2BX SMU22XYEEXJ 2.5P 200 55 - 102 28 22 25 4 2 1 3/8-12UNF 2BX SMU22SYEEXJ 2.5P 170 29 - 87 28 22 25 4 2 1 1/2-6UNC 2BX SGU24ZYEEXJ 2.5P 200 59 - 102 32 24 27 4 2 1 1/2-8UN 2BX SMU24XYEEXJ 2.5P 200 59 - 102 32 24 27 4 2 ④ 1 1/2-12UNF 2BX SMU24SYEEXJ 2.5P 170 29 - 87 32 24 27 4 2 1 3/4-5UNC 2BX SGU280YEEXJ 2.5P 220 65 - 112 36 29 32 4 2 1 3/4-8UN 2BX SMU28XYEEXJ 2.5P 200 49 - 102 36 29 32 4 2 1 3/4-12UN 2BX SMU28SYEEXJ 2.5P 180 31 - 92 36 29 32 4 2 ⑤ 2 -4 1/2UNC 2BX SGU329YEEXJ 2.5P 250 73 - 128 40 32 35 4 22 -8UN2BXSMU32XYEEXJ2.5P22549-11540323542 ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ DIN ①-29 ※ This product is different from JIS products in shape and dimensions, please be careful when using.