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 JIS ⑤ Cemented Carbide Tap Series Overall Thread Shank Size of Length oflengthlengthdia.squaresquareLℓDsKℓk JIS ① N-CT-PO Spiral Pointed Carbide Taps ② Specification ■The N-CT-PO is a cemented carbide spiral flute tap most suitable for blind hole mass production of aluminum castings (AC), aluminum die cast ③ (ADC), zinc die cast (ZDC) etc. Recommended Tapping Speeds depending on Materials Brass Brass castings Bronze Wrought aluminum Aluminum alloy castings Magnesium alloy die castings Zinc alloy castings 黄銅 黄銅鋳物 青銅 アルミ圧延材 アルミ合金鋳物 マグネシウム合金鋳物 亜鉛合金鋳物 10〜20 10〜20 10〜20 10〜20 10〜20 10〜20 10〜20 ④ (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) TYPE:1 ⑤ ⑥ TYPE:2 TYPE:3 ⑦ Segment:1L Size Class Code Chamfer L(mm) ℓ(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP ⑧ For Metric ThreadsM3 × 0.5P3PCNR3.0G5P46114 3.2 6 3 1 ¥13,100 ※ M4 × 0.7 P3 PCNR4.0I 5P 52 13 5 4 7 3 1 ¥13,800 ※ M5 × 0.8 P3 PCNR5.0K 5P 60 16 5.5 4.5 7 3 1 ¥14,700 ※ M6 × 1 P3 PCNR6.0M 5P 62 19 6 4.5 7 3 2 ¥15,800 ※ ⑨ M8 × 1.25 P3 PCNR8.0N 5P 70 22 6.2 5 8 3 3 ¥20,400 ※ M10 × 1.5 P4 PCNS010O 5P 75 24 7 5.5 8 3 3 ¥27,900 ※ M12 × 1.75 P4 PCNS012P 5P 82 30 8.5 6.5 9 3 3 ¥36,900 ※ ⑩ ⑪ JIS ⑤-21 ※ = Specified Distribution Items. Made to order products.