Overall length L Thread length ℓ Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ⑤ N-CT FC Carbide Taps for Cast Irons JIS L ℓ ℓs Ds K ℓk No. of MSRP Size Class Code Chamfer TYPE Spiral Fluted Taps (for blind hole) (mm) (mm) (mm) (mm) (mm) (mm) flutes ① 5/8-18UNF P4 TCNSU10O1 1.5P 95 22 38 12 9 12 4 5 ¥47,600 ※ 3/4-10UNC P4 TCNSU12V3 3P 105 35 41 14 11 14 4 5 ¥65,800 ※ 3/4-10UNC P4 TCNSU12V1 1.5P 105 35 41 14 11 14 4 5 ¥65,800 ※ 3/4-16UNF P4 TCNSU12P3 3P 95 24 43 14 11 14 4 5 ¥65,800 ※ Spiral Fluted Taps (for through hole) 3/4-16UNF P4 TCNSU12P1 1.5P 95 24 43 14 11 14 4 5 ¥65,800 ※ ② Spiral Pointed Taps (for through hole) ③ Hand Taps ④ Cemented Carbide Taps ⑤ Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ JIS ※ = Specified Distribution Items. Made to order products. ⑤-14