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 Chamfer+ Thread Thread + Neck Shank Shank Size of Length oflengthfull threadlengthlengthlengthdia.squaresquareLℓtℓℓnℓsDsKℓk DIN ZET-B Spiral Fluted Taps for Titanium Alloys ① Size Class Code Chamfer L (mm) ℓt(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. of flutes TYPEFor Unified Threads No.4-40UNC 2BX SDUN4HYIPN 3P 56 11 5 18 34 3.5 2.7 6 3 1 No.6-32UNC 2BX SDUN6JYIPN 3P 56 7 11 19 32 4 3 6 3 1 No.6-40UNF 2BX SDUN6HYIPN 3P 56 7 11 19 32 4 3 6 3 1 ② No.8-32UNC 2BX SDUN8JYIPN 3P 63 7 13 21 38 4.5 3.4 6 3 1 No.10-24UNC 2BX SDUNAMYIPN 3P 70 9 14 24 39 6 4.9 8 3 1 No.10-32UNF 2BX SDUNAJYIPN 3P 70 9 14 24 39 6 4.9 8 3 1 1/4-20UNC 2BX SDU04NYIPN 3P 80 11 15 30 42 7 5.5 8 3 1 1/4-28UNF 2BX SDU04KYIPN 3P 80 11 15 30 42 7 5.5 8 3 1 ③ 5/16-18UNC 2BX SDU05OYIPN 3P 90 - 12 35 47 8 6.2 9 3 2 5/16-24UNF 2BX SMU05MYIPN 3P 90 - 12 - 46 6 4.9 8 3 3 3/8-16UNC 2BX SDU06PYIPN 3P 100 - 13 39 54.5 9 7 10 3 2 3/8-24UNF 2BX SMU06MYIPN 3P 100 - 13 - 51 7 5.5 8 3 3 1/2-13UNC 2BX SGU08RYIPN 3P 110 - 15 - 56 9 7 10 3 4 ④ 1/2-20UNF 2BX SMU08NYIPN 3P 100 - 15 - 51 9 7 10 3 3 5/8-11UNC 2BX SGU10UYIPN 3P 110 - 18 - 56 12 9 12 4 4 3/4-10UNC 2BX SGU12VYIPN 3P 125 - 20 - 64 14 11 14 4 4 ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ DIN ①-157 ※ This product is different from JIS products in shape and dimensions, please be careful when using.