JIS 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 Cemented Carbide Tap Series Overall Thread Shank Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓsDsKℓk⑤ JIS N-CT FC ① Carbide Taps for Cast Irons ② Specification ■N -CT FC is the carbide tap suitable for hard and abrasive materials such as cast irons. For volume production. ③ Recommended Tapping Speeds depending on Materials Cast irons Ductile cast irons Brass castings 鋳鉄 強靱鋳鉄 黄銅鋳物 5〜15 5〜15 5〜15 (m/min) (m/min) (m/min) ④ TYPE:1 ⑤ TYPE:2 TYPE:3 ⑥ ⑦ TYPE:4 TYPE:5 ⑧ Segment:1L ⑨ Size Class Code Chamfer L(mm) ℓ(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP For Metric Threads M1.4 × 0.3 P3 TCNR1.4C3 3P 34 7 - 3 2.5 5 3 1 ¥15,400 ※ M1.4 × 0.3 P3 TCNR1.4C1 1.5P 34 7 - 3 2.5 5 3 1 ¥15,400 ※ ⑩ M1.6 × 0.35 P3 TCNR1.6D3 3P 36 8 - 3 2.5 5 3 1 ¥13,700 ※ M1.6 × 0.35 P3 TCNR1.6D1 1.5P 36 8 - 3 2.5 5 3 1 ¥13,700 ※ M1.7 × 0.35 P3 TCNR1.7D3 3P 36 8 - 3 2.5 5 3 1 ¥13,700 ※ M1.7 × 0.35 P3 TCNR1.7D1 1.5P 36 8 - 3 2.5 5 3 1 ¥13,700 ※ M2 × 0.4 P3 TCNR2.0E3 3P 40 8 - 3 2.5 5 3 1 ¥12,500 ⑪ M2 × 0.4 P3 TCNR2.0E1 1.5P 40 8 - 3 2.5 5 3 1 ¥12,500 M2.2 × 0.45 P3 TCNR2.2F3 3P 42 9.5 - 3 2.5 5 3 1 ¥12,000 ※ JIS ※ = Specified Distribution Items. Made to order products. ⑤-10