
Overall length L ℓ Pin length Bored hole dia. Bored hole dia. (GO) d1 (NOT-GO) d2 d1 length ℓ1 d2 length ℓ2 Shank dia. Ds Size of square K Length of square ℓk ⑦ JIS L ℓ d1 d2 ℓ1 ℓ2 Ds K ℓk MSRP Size Code TYPE Spiral Fluted Taps (for blind hole) (mm) (mm) (Thread engagement ratio) (Thread engagement ratio) (mm) (mm) (mm) (mm) (mm) ① M10 × 1 CPCT010M 100 23.4 8.917 (100%) 9.153 (78%) 6.7 16.7 10 8 11 2 ¥2,800 □ M10 × 0.75 CPCT010J 100 23.4 9.188 (100%) 9.378 (77%) 6.7 16.7 10 8 11 2 ¥2,800 □ M11 × 1.5 CPCT011O 110 27.4 9.376 (100%) 9.676 (82%) 7.7 19.7 12 9 12 2 ¥2,500 □ M11 × 1 CPCT011M 110 27.4 9.917 (100%) 10.153 (78%) 7.7 19.7 12 9 12 2 ¥2,900 □ Spiral Fluted Taps (for through hole) M11 × 0.75 CPCT011J 110 27.4 10.188 (100%) 10.378(77%) 7.7 19.7 12 9 12 2 ¥2,900 □ ② M12 × 1.75 CPCT012P 110 27.4 10.106 (100%) 10.441 (82%) 7.7 19.7 12 9 12 2 ¥2,500 □ M12 × 1.5 CPCT012O 110 27.4 10.376 (100%) 10.676 (82%) 7.7 19.7 12 9 12 2 ¥2,900 □ M12 × 1.25 CPCT012N 110 27.4 10.647 (100%) 10.912 (80%) 7.7 19.7 12 9 12 2 ¥2,900 □ M12 × 1 CPCT012M 110 27.4 10.917 (100%) 11.153 (78%) 7.7 19.7 12 9 12 2 ¥2,900 □ Spiral Pointed Taps (for through hole) ③ For Unified Threads No.2-56UNC CPCTUN2E 42 7 1.695 (100%) 1.871 (64%) 1 6 3 2.5 5 1 ¥1,800 □ No.2-64UNF CPCTUN2D 42 7 1.756 (100%) 1.912 (63%) 1 6 3 2.5 5 1 ¥1,800 □ No.3-48UNC CPCTUN3F 46 8 1.941 (100%) 2.146 (64%) 1.5 6.5 3 2.5 5 1 ¥2,100 □ No.3-56UNF ¥2,100 □ Hand Taps CPCTUN3E 46 8 2.025 (100%) 2.197 (65%) 1.5 6.5 3 2.5 5 1 ④ No.4-40UNC CPCTUN4H 46 8 2.157 (100%) 2.385 (67%) 1.5 6.5 3 2.5 5 1 ¥2,000 □ No.4-48UNF CPCTUN4F 46 8 2.271 (100%) 2.458 (68%) 1.5 6.5 3 2.5 5 1 ¥2,000 □ No.5-40UNC CPCTUN5H 46 8.5 2.487 (100%) 2.697 (70%) 1.5 7 4 3.2 6 1 ¥2,100 □ No.5-44UNF CPCTUN5G 46 8.5 2.551 (100%) 2.74 (70%) 1.5 7 4 3.2 6 1 ¥2,100 □ Cemented Carbide Taps No.6-32UNC CPCTUN6J 46 8.5 2.642 (100%) 2.895 (70%) 1.5 7 4 3.2 6 1 ¥2,100 □ ⑤ No.6-40UNF CPCTUN6H 46 8.5 2.820 (100%) 3.022 (70%) 1.5 7 4 3.2 6 1 ¥2,100 □ No.8-32UNC CPCTUN8J 52 10.5 3.302 (100%) 3.530 (74%) 2.25 8.25 5 4 7 1 ¥2,300 □ No.8-36UNF CPCTUN8I 52 10.5 3.404 (100%) 3.606 (73%) 2.25 8.25 5 4 7 1 ¥2,300 □ No.10-24UNC CPCTUNAM 59.5 12.5 3.683 (100%) 3.962 (75%) 2.5 10 5.5 4.5 7 1 ¥2,320 □ Roll Taps No.10-32UNF ¥2,320 □ ⑥ CPCTUNAJ 59.5 12.5 3.963 (100%) 4.165 (77%) 2.5 10 5.5 4.5 7 1 No.12-24UNC CPCTUNCM 59.5 12.5 4.344 (100%) 4.597 (78%) 2.5 10 5.5 4.5 7 1 ¥2,500 □ No.12-28UNF CPCTUNCK 59.5 12.5 4.496 (100%) 4.724 (78%) 2.5 10 5.5 4.5 7 1 ¥2,500 □ 1/4-20UNC CPCTU04N 61.5 16.5 4.979 (100%) 5.257 (80%) 3.75 12.75 6 4.5 7 1 ¥2,600 □ 1/4-28UNF CPCTU04K 61.5 16.5 5.36 (100%) 5.588 (78%) 3.75 12.75 6 4.5 7 1 ¥2,600 □ Special Thread Taps Simple Inspection Tools ⑦ 5/16-18UNC CPCTU05O 90 19.4 6.401 (100%) 6.731 (80%) 4.7 14.7 8 6.2 9 2 ¥2,800 □ 5/16-24UNF CPCTU05M 90 19.4 6.782 (100%) 7.035 (80%) 4.7 14.7 8 6.2 9 2 ¥2,800 □ 3/8-16UNC CPCTU06P 100 23.4 7.798 (100%) 8.153 (80%) 6.7 16.7 10 8 11 2 ¥2,850 □ 3/8-24UNF CPCTU06M 100 23.4 8.382 (100%) 8.636 (78%) 6.7 16.7 10 8 11 2 ¥2,850 □ Pipe Taps 7/16-14UNC CPCTU07Q 110 27.4 9.144 (100%) 9.55 (80%) 7.7 19.7 12 9 12 2 ¥2,900 □ ⑧ 7/16-20UNF CPCTU07N 110 27.4 9.729 (100%) 10.033 (80%) 7.7 19.7 12 9 12 2 ¥2,900 □ 1/2-13UNC CPCTU08R 110 27.4 10.592 (100%) 11.023 (80%) 7.7 19.7 12 9 12 2 ¥3,100 □ 1/2-20UNF CPCTU08N 110 27.4 11.329 (100%) 11.607 (80%) 7.7 19.7 12 9 12 2 ¥3,100 □ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ JIS ※ = Specified Distribution Items. Made to order products. □=In stock at manufacturer. ⑦-70