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 ANSI ① Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk ANSI ① LO-SP Low Spiral Fluted Taps for Alloy Steels ② Specification ■Using the LO-SP, the chips are divided and discharged smoothly due to the low helix spiral flute. The LO-SP is effective for thread ③ Oxide processing of high carbon steels, alloy steels Recommended Tapping Speed depending on Materials etc. and horizontal machining. High carbon steels Alloy steels 高炭素鋼 合金鋼 5〜10 5〜10 ④ (m/min) (m/min) TYPE:1 ⑤ Segment:1C ⑥ Size Class Code Chamfer L(inch) ℓ(inch) ℓn(inch) ℓs(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPE For Unified Threads 1 -8UNC 2BX SSU16XYEEXHT 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 1 1 1/8-8UN 2BX SSU18XYEEXHT 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 1 1 1/4-8UN 2BX SSU20XYEEXHT 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 1 ⑦ 1 3/8-8UN 2BX SSU22XYEEXHT 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 1 1 1/2-8UN 2BX SSU24XYEEXHT 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 1 ⑧ ⑨ ⑩ ⑪ ANSI ①-143 ※ This product is different from JIS products in shape and dimensions, please be careful when using.