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 Overall Thread Thread + Neck Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓnDsKℓk② ANSI Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPE5/8-11UNCGH3Y842255.5P3.8121.26-0.480.360.56234 ① 5/8-18UNF GH3 Y84226 5.5P 3.812 0.984 - 0.48 0.36 0.562 3 4 3/4-10UNC GH3 Y84227 5.5P 4.25 1.467 - 0.59 0.422 0.687 4 4 3/4-16UNF GH3 Y84228 5.5P 4.25 1.142 - 0.59 0.422 0.687 4 4 ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ②-28