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 ① Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk JIS ① HDASP For Dry Tapping, Blind Hole Use. Spiral Fluted Taps for Aluminum ② Specification Coating <2D ③ Recommended Tapping Speeds depending on Materials Wrought aluminum Aluminum alloy castings Magnesium alloy die castings Zinc alloy castings 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 20〜50 20〜50 20〜50 20〜50 ④ (m/min) (m/min) (m/min) (m/min) Product Features ● Designed with a through center hole for coolant lubrication, mist lubrication or air blast applications in blind holes. ●The HDASP has a slow spiral flute, making it the optimum tap for blind hole tapping on horizontal and vertical machines in materials such as aluminum castings, magnesium alloys and zinc alloys. ⑤ Speed chart Slow Tapping Speed Fast ⑥ Work Piece 5m/minMaterial 10m/min 20m/min 30m/min 50m/min 100m/min Work PieceFully synchronous feed areaMaterial Aluminum Aluminum Rolled ALMaterial HDASP AL RolledMaterial Aluminum AC⑦ZincAlloyADCCastingZDC ※Dry tapping AC AluminumADCZincAlloyAL+SPZDCCasting Bronze PB LA -HT AL - SP HFASP PB Bronze BrassCastingBsC HFAHS BsC BrassCasting ⑧ Brass Bs Bs Brass Copper Cu N- CT LA Cu Copper 5m/min 10m/min 20m/min 30m/min 50m/min 100m/min ⑨ Tapping range by material being cut. ⑩ ⑪ JIS ①-203