Cemented Carbide Tap Series N-CT FC Carbide Taps for Cast Irons Spiral Fluted Taps (for blind hole) Size Class Code Chamfer L ℓ ℓn Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) flutes For Unified Threads TCNRUN4H3 3P No.4-40UNC P3 44 9.5 - 3 2.5 5 3 1 △ TCNRUN4H1 1.5P Spiral Fluted Taps (for through hole) TCNRUN4F3 3P No.4-48UNF P3 44 9.5 - 3 2.5 5 3 1 △ TCNRUN4F1 1.5P TCNRUN5H3 3P No.5-40UNC P3 46 9.5 - 4 3.2 6 3 1 △ TCNRUN5H1 1.5P Spiral Pointed Taps (for through hole) TCNRUN6J3 3P No.6-32UNC P3 48 11 - 4 3.2 6 3 1 △ TCNRUN6J1 1.5P TCNRUN8J3 3P No.8-32UNC P3 52 11 - 5 4 7 4 1 △ TCNRUN8J1 1.5P TCNRUNAM3 3P Hand Taps No.10-24UNC P3 60 16 - 5.5 4.5 7 4 1 △ TCNRUNAM1 1.5P TCNRUNAJ3 3P No.10-32UNF P3 60 11 - 5.5 4.5 7 4 1 △ TCNRUNAJ1 1.5P TCNRU04N3 3P Cemented Carbide Taps 1/4-20UNC P3 62 19 - 6 4.5 7 4 2 △ TCNRU04N1 1.5P TCNRU04K3 3P 1/4-28UNF P3 62 16 - 6 4.5 7 4 2 △ TCNRU04K1 1.5P TCNRU05O3 3P 5/16-18UNC P3 70 22 - 6.1 5 8 4 4 △ Roll Taps TCNRU05O1 1.5P TCNRU05M3 3P 5/16-24UNF P3 70 16 - 6.1 5 8 4 4 △ TCNRU05M1 1.5P TCNRU06P3 3P 3/8-16UNC P3 75 24 - 7 5.5 8 4 4 △ TCNRU06P1 1.5P Special Thread Taps Simple Inspection Tools TCNRU06M3 3P 3/8-24UNF P3 75 16 - 7 5.5 8 4 4 △ TCNRU06M1 1.5P TCNRU07Q3 3P 7/16-14UNC P3 80 24 - 8 6 9 4 4 △ TCNRU07Q1 1.5P Pipe Taps TCNRU07N3 3P 7/16-20UNF P3 80 19 - 8 6 9 4 4 △ TCNRU07N1 1.5P TCNRU08R3 3P 1/2-13UNC P3 85 30 - 9 7 10 4 4 △ TCNRU08R1 1.5P Thread Mills TCNRU08N3 3P 1/2-20UNF P3 85 19 - 9 7 10 4 4 △ TCNRU08N1 1.5P TCNSU10U3 3P 5/8-11UNC P4 95 30 - 12 9 12 4 4 △ TCNSU10U1 1.5P Dies TCNSU10O3 3P 5/8-18UNF P4 95 22 - 12 9 12 4 4 △ TCNSU10O1 1.5P TCNSU12V3 3P 3/4-10UNC P4 105 35 - 14 11 14 4 4 △ TCNSU12V1 1.5P TCNSU12P3 3P Center Drills 3/4-16UNF P4 95 24 - 14 11 14 4 4 △ TCNSU12P1 1.5P Centering Tools JIS CT-7 ◎=Standard ○=Semi standard △=Made to order 484 For improvement, spec may change without advance notice.