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 Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓsDsKℓk JIS ① HFICT-B Carbide Taps for Ultra Fast Tappings, Blind Hole Use, for Cast Irons ② Specification Coating <2D ③ Recommended Tapping Speeds depending on Materials Cast irons Ductile cast irons Brass castings 鋳鉄 強靱鋳鉄 黄銅鋳物 25〜50 25〜50 25〜50 ④ (m/min) (m/min) (m/min) Product Features ●The HFICT-B is a carbide tap capable of ultra high speed tapping. It has a through coolant hole for internal lubrication distribution or mist applications. It can lower temperature by cooling in a dry tapping application where necessary with an air blast. It is suitable for blind hole tapping in materials such as aluminum casting or aluminum die casting. ⑤ Product symbol table Slow Tapping Speed Fast Workpiece 5m/min 10m/min 15m/min 20m/min 30m/min 50m/min Workpiece ⑥ Material Fully synchronous feed area Material DuctileCastFCD DuctileFCDCast Iron FC-HT N-CT FC HFISP HFICT-B Iron ⑦ Cast FCIron FC CastIron 5m/min 10m/min 15m/min 20m/min 30m/min 50m/min A diagram of tapping range. ⑧ ⑨ ⑩ ⑪ JIS ⑤-37