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 HFIHS For Ultra Fast Tapping, Vertical Use. Spiral Fluted Taps for Steels ② Specification Coating <2D ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 20〜50 20〜50 20〜30 20〜30 ④ (m/min) (m/min) (m/min) (m/min) Product Features ●A center through coolant hole tap that can be used at ultra high speed and is compatible with internal lubrication processing. ●It has a slow spiral flute shape, making it the optimum tap for materials such as aluminum ⑤ alloy, magnesium alloy and zinc alloy castings. Tapping Data Tapping conditions [P4 M12 × 1.25] ⑥ Work Piece Material FCD450Bored Hole ShapeBlind hole HFIHS Bored Hole Size φ10.8 Can Continue Tapping Length 19mm Conventional Product Tapping Speed 57m/min ⑦ Machinery Type M/C machining center (vertical type)Cutting FluidWater soluble cutting fluid 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000(Number of holes processed) Number of HolesProcessed6,000 Speed chart ⑧ Slow Tapping Speed Fast Work Piece 5m/min 10m/min 15m/min 20m/min 30m/min 50m/min Work Piece Material Fully synchronous feed area Material Alloy SCM SCM Alloy ⑨ Steel SCr SCr Steel High High CarbonSteelS45CMediumS45C⑩CarbonSteelS30CSP+SP HFISPF-SPHFIHS S45C CarbonSteelS45CMediumCarbonS30CSteel Low S25C S25C Low Carbon Carbon Steel SS400 SS400 Steel 5m/min 10m/min 15m/min 20m/min 30m/min 50m/min ⑪ Tapping range by material being cut. JIS Fully synchronous lead feed area ①-183