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 ANSI SP Spiral Fluted Taps ① Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) ℓs(inch) Ds(inch) K(inch) ℓk(inch) No. offlutesTYPE1 -12UNFGH6SSU16S6NEB2.5P6.2991.457-3.2280.80.60.81245 1 1/8-7UNC GH4 SSU18Y4NEB 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/8-7UNC GH6 SSU18Y6NEB 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/8-12UNF GH4 SSU18S4NEB 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 ② 1 1/8-12UNF GH5 SSU18S5NEB 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/4-7UNC GH4 SSU20Y4NEB 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 1/4-7UNC GH6 SSU20Y6NEB 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 1/4-12UNF GH4 SSU20S4NEB 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 1/4-12UNF GH5 SSU20S5NEB 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 ③ 1 3/8-6UNC GH5 SSU22Z5NEB 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-6UNC GH6 SSU22Z6NEB 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-12UNF GH4 SSU22S4NEB 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-12UNF GH5 SSU22S5NEB 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 ④ 1 1/2-6UNC GH5 SSU24Z5NEB 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 51 1/2-6UNCGH6SSU24Z6NEB2.5P7.8742.323-4.0161.2330.9251.12545 1 1/2-12UNF GH4 SSU24S4NEB 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 1 1/2-12UNF GH5 SSU24S5NEB 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ANSI ①-49 ※ This product is different from JIS products in shape and dimensions, please be careful when using.