⑥ Roll Tap Series Overall length L Thread length ℓ Thread + Neck length ℓn Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ANSI N-RZ Roll Taps for Steels Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE Spiral Fluted Taps (for blind hole) (inch) (inch) (inch) (inch) (inch) (inch) (inch) ① M10 × 1.5 D10 389531M 4P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 8 3 M10 × 1.5 D10 389530M 2P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 8 3 M10 × 1.25 D9 389529M 4P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 8 3 M10 × 1.25 D9 389528M 2P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 8 3 Spiral Fluted Taps (for through hole) M12 × 1.75 D11 389535M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 ② M12 × 1.75 D11 389534M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 M12 × 1.25 D9 389533M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 M12 × 1.25 D9 389532M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 For Unified Threads Spiral Pointed Taps (for through hole) ③ No.0-80UNF H2 389410M 2P 1.772 0.236 - 1.161 0.141 0.11 0.187 3 1 No.1-64UNC H2 389411M 2P 1.772 0.276 - 1.161 0.141 0.11 0.187 3 1 No.1-72UNF H2 389412M 2P 1.772 0.276 - 1.161 0.141 0.11 0.187 3 1 No.2-56UNC H2 389413M 2P 1.772 0.314 - 1.161 0.141 0.11 0.187 4 1 No.2-56UNC Hand Taps H3 389414M 2P 1.772 0.314 - 1.161 0.141 0.11 0.187 4 1 ④ No.2-64UNF H2 389415M 2P 1.772 0.314 - 1.161 0.141 0.11 0.187 4 1 No.2-64UNF H3 389416M 2P 1.772 0.314 - 1.161 0.141 0.11 0.187 4 1 No.3-48UNC H2 389417M 2P 2.205 0.354 0.681 1.28 0.141 0.11 0.187 4 2 No.3-48UNC H3 389418M 2P 2.205 0.354 0.681 1.28 0.141 0.11 0.187 4 2 Cemented Carbide Taps No.3-56UNF H2 389419M 2P 2.205 0.354 0.681 1.28 0.141 0.11 0.187 4 2 ⑤ No.3-56UNF H3 389420M 2P 2.205 0.354 0.681 1.28 0.141 0.11 0.187 4 2 No.4-40UNC H3 389423M 4P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 No.4-40UNC H3 389421M 2P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 No.4-40UNC H5 389424M 4P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 Roll Taps No.4-40UNC ⑥ H5 389422M 2P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 No.4-48UNF H3 389427M 4P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 No.4-48UNF H3 389425M 2P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 No.4-48UNF H5 389428M 4P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 No.4-48UNF H5 389426M 2P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 4 2 Special Thread Taps Simple Inspection Tools ⑦ No.5-40UNC H3 389431M 4P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 No.5-40UNC H3 389429M 2P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 No.5-40UNC H5 389432M 4P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 No.5-40UNC H5 389430M 2P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 Pipe Taps No.5-44UNF H3 389435M 4P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 ⑧ No.5-44UNF H3 389433M 2P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 No.5-44UNF H5 389436M 4P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 No.5-44UNF H5 389434M 2P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 4 2 No.6-32UNC H3 389440M 4P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 Thread Mills Premium Thread Mills No.6-32UNC H3 389437M 2P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 ⑨ No.6-32UNC H5 389441M 4P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 No.6-32UNC H5 389438M 2P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 No.6-40UNF H3 389444M 4P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 No.6-40UNF H3 389442M 2P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 Dies ⑩ No.6-40UNF H5 389445M 4P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 No.6-40UNF H5 389443M 2P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 4 2 No.8-32UNC H3 389448M 4P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 No.8-32UNC H3 389446M 2P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 No.8-32UNC H5 389449M 4P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 Center Drills Centering Tools ⑪ No.8-32UNC H5 389447M 2P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 No.8-36UNF H3 389452M 4P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 No.8-36UNF H3 389450M 2P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 ANSI ⑥-19 ※ This product is different from JIS products in shape and dimensions, please be careful when using.