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 ② Spiral Fluted Tap Series for through hole Overall Chamfer + Thread Thread + Neck Shank Shank Size of Length oflengthfull threadlengthlengthlengthdia.squaresquareLℓtℓℓnℓsDsKℓk JIS ① LKSL Z-PRO Long Neck Spiral Fluted Tap for Through Hole ② Specification ■Spiral fluted tap for through hole with a long <5D neck that enables deep hole tapping. Oxide ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels 低炭素鋼 中炭素鋼 3〜7 3〜7 ④ (m/min) (m/min) TYPE:1 ⑤ Segment:1S ⑥ Size Class Code Chamfer L(mm)ℓt(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm)No. of flutes TYPE MSRP For Metric Threads M3 × 0.5 P3 1307101035 5P 56 5 9 28 26 4 3.2 6 3 1 ¥1,910 ※ M4 × 0.7 P3 1307101042 5P 63 7 11 32 29 5 4 7 3 1 ¥1,910 ※ ⑦ M5 × 0.8 P3 1307101049 5P 70 9 13 35 33 5.5 4.5 7 3 1 ¥1,920 ※ M6 × 1 P4 1307101055 5P 80 11 15 45 33 6 4.5 7 3 1 ¥2,190 ※ ⑧ ⑨ ⑩ ⑪ JIS ②-9 ※ = Specified Distribution Items. Made to order products.