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 Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk① ANSI Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) ℓs(inch) Ds(inch) K(inch) ℓk(inch) No. offlutesTYPEM12 × 1.25D751011010902.5P4.3310.591-2.2050.3670.2750.43733 ① M14 × 2 D9 5101101100 2.5P 4.331 0.709 - 2.205 0.429 0.322 0.5 3 3 M14 × 1.5 D8 5101101102 2.5P 4.331 0.551 - 2.205 0.429 0.322 0.5 3 3 M16 × 2 D9 5101101114 2.5P 4.331 0.709 - 2.205 0.48 0.36 0.562 3 3 M16 × 1.5 D8 5101101116 2.5P 4.331 0.551 - 2.205 0.48 0.36 0.562 3 3 ② M18 × 2.5 D9 5101101128 2.5P 4.921 0.787 - 2.52 0.542 0.406 0.625 4 3 M18 × 1.5 D8 5101101130 2.5P 4.921 0.551 - 2.52 0.542 0.406 0.625 3 3 M20 × 2.5 D9 5101101141 2.5P 5.512 0.787 - 2.795 0.652 0.489 0.687 4 3 M20 × 1.5 D8 5101101144 2.5P 5.512 0.551 - 2.795 0.652 0.489 0.687 3 3 M22 × 2.5 D9 5101101156 2.5P 5.512 0.787 - 2.795 0.697 0.523 0.75 4 3 ③ M22 × 1.5 D8 5101101158 2.5P 5.512 0.551 - 2.795 0.697 0.523 0.75 3 3 M24 × 3 D10 5101101167 2.5P 6.299 0.984 - 3.228 0.76 0.57 0.75 4 3 M24 × 1.5 D8 5101101170 2.5P 6.299 0.709 - 3.228 0.76 0.57 0.75 3 3 For Unified Threads No.5-40UNC GH2 5101103021 2.5P 2.205 0.197 0.736 1.339 0.141 0.11 0.187 2 1 ④ No.5-44UNF GH2 5101103022 2.5P 2.205 0.197 0.736 1.339 0.141 0.11 0.187 2 1 No.6-32UNC GH2 5101103023 2.5P 2.205 0.276 0.748 1.339 0.141 0.11 0.187 2 1 No.6-40UNF GH2 5101103024 2.5P 2.205 0.276 0.748 1.339 0.141 0.11 0.187 2 1 No.8-32UNC GH3 5101103029 2.5P 2.48 0.276 0.827 1.535 0.168 0.131 0.25 2 1No.8-36UNFGH351011030302.5P2.480.2760.8271.5350.1680.1310.2521 ⑤ No.10-24UNC GH3 5101103039 2.5P 2.756 0.354 0.945 1.654 0.194 0.152 0.25 2 1 No.10-32UNF GH3 5101103041 2.5P 2.756 0.354 0.945 1.654 0.194 0.152 0.25 2 1 No.12-24UNC GH3 5101103047 2.5P 3.15 0.354 0.984 1.953 0.22 0.165 0.281 2 1 No.12-28UNF GH3 5101103048 2.5P 3.15 0.354 0.984 1.953 0.22 0.165 0.281 2 1 ⑥ 1/4-20UNC GH3 5101103058 2.5P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 2 1 1/4-20UNC GH5 5101303058 2.5P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 2 1 1/4-28UNF GH3 5101103062 2.5P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 2 1 1/4-28UNF GH5 5101303062 2.5P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 2 1 5/16-18UNC GH5 5101103071 2.5P 3.543 0.472 1.378 1.831 0.318 0.238 0.375 3 2 ⑦ 3/8-16UNC GH5 5101103082 2.5P 3.937 0.512 1.535 2.028 0.381 0.286 0.437 3 2 7/16-14UNC GH5 5101103098 2.5P 3.937 0.512 - 2.008 0.323 0.242 0.406 3 3 1/2-13UNC GH5 5101103111 2.5P 4.331 0.591 - 2.205 0.367 0.275 0.437 3 3 9/16-12UNC GH5 5101103126 2.5P 4.331 0.709 - 2.205 0.429 0.322 0.5 3 3 5/8-11UNC GH5 5101103138 2.5P 4.331 0.709 - 2.205 0.48 0.36 0.562 3 3 ⑧ ⑨ ⑩ ⑪ ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ①-10