
Overall length L Thread length ℓ Thread + Neck ℓn length Shank dia. Ds Size of square K Length of square ℓk ② ANSI L ℓ ℓn Ds K ℓk No. of Size Class Code Chamfer TYPE Spiral Fluted Taps (for blind hole) (inch) (inch) (inch) (inch) (inch) (inch) flutes ① 5/8-11UNC GH3 Y84225 5.5P 3.812 1.26 - 0.48 0.36 0.562 3 4 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 Spiral Fluted Taps (for through hole) ② Spiral Pointed Taps (for through hole) ③ Hand Taps ④ Cemented Carbide Taps ⑤ Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ②-28