DIN 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 Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk① DIN SP-BLF ① Spiral Fluted Taps, Deep Hole Use ② Specification ■The SP-BLF is a spiral flute tap for cutting blind holes with a special thread shape to prevent chipping caused by the chips jamming. ③ Recommended Tapping Speeds depending on Materials Medium carbon steels High carbon steels 中炭素鋼 高炭素鋼 5〜10 5〜10 (m/min) (m/min) ④ TYPE:1 ⑤ TYPE:2 TYPE:3 ⑥ ⑦ TYPE:4 TYPE:5 ⑧ Segment:1DSize Class Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutesTYPE ⑨ For Metric Threads M3 × 0.5 ISO2 SD3.0GANEBJ 2.5P 56 9 18 34 3.5 2.7 6 3 1 M4 × 0.7 ISO2 SD4.0IANEBJ 2.5P 63 13 21 38 4.5 3.4 6 3 1 M5 × 0.8 ISO2 SD5.0KANEBJ 2.5P 70 14 25 39 6 4.9 8 3 1 ⑩ M6 × 1 ISO2 SD6.0MANEBJ 2.5P 80 15 30 45 6 4.9 8 3 1 M8 × 1.25 ISO2 SD8.0NANEBJ 2.5P 90 19 35 47 8 9 6.2 3 3 M10 × 1.5 ISO2 SD010OANEBJ 2.5P 100 23 39 52.5 10 8 11 3 3 M12 × 1.75 ISO2 SG012PANEBJ 2.5P 110 26 - 56 9 7 10 3 4 ⑪ DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ①-124