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 ANSI ① Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk ANSI ① ALS-SP Spiral Fluted Taps for Aluminum ② Specification ■In aluminum die casting and aluminum casting <2D tapping, ALS-SP solves such problems as chip jamming, chip clogging, and torn threads. ③ Nitride Recommended Tapping Speed 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 10〜25 10〜25 10〜25 10〜25 10〜25 10〜25 10〜25 ④ (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) TYPE:1 TYPE:2 ⑤ ⑥ TYPE:3 TYPE:4 ⑦ Segment:1D ⑧ Size Class Code Chamfer L(inch) ℓ(inch)ℓn(inch) ℓs(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPE For Metric Threads M3 × 0.5 D3 386428M 2.5P 2.205 0.433 0.736 1.339 0.141 0.11 0.187 3 2 M3.5 × 0.6 D4 386429M 2.5P 2.205 0.433 0.748 1.339 0.141 0.11 0.187 3 2 M4 × 0.7 D4 386430M 2.5P 2.48 0.512 0.815 1.535 0.168 0.131 0.25 3 2 ⑨ M5 × 0.8 D4 386431M 2.5P 2.756 0.551 0.984 1.654 0.194 0.152 0.25 3 2 M6 × 1 D5 386432M 2.5P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 3 2 M7 × 1 D5 386433M 2.5P 3.543 0.748 1.339 1.831 0.318 0.238 0.375 3 3 M8 × 1.25 D5 386435M 2.5P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 3 3 M8 × 1 D5 386434M 2.5P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 3 3 ⑩ M10 × 1.5 D6 386437M 2.5P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 3 3 M10 × 1.25 D5 386436M 2.5P 3.937 0.906 1.535 2.126 0.381 0.286 0.437 3 3 M12 × 1.75 D6 386440M 2.5P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 4 M12 × 1.5 D5 386439M 2.5P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 4 ⑪ M12 × 1.25 D5 386438M 2.5P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 4 ANSI ①-139 ※ This product is different from JIS products in shape and dimensions, please be careful when using.