
| Size | Class | Code | Chamfe | r L (inch) | ℓ (inch) | ℓn (inch) | ℓs (inch) | Ds (inch) | K (inch) | ℓk (inch) | No.�of flutes | TYPE |
| M12 × 1.25 | D7 | 5101101090 | 2.5P | 4.331 | 0.591 | - | 2.205 | 0.367 | 0.275 | 0.437 | l 3 | 3 |
| 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 |
| 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 |
| 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�Unifi� | �ied�Thre | �i�ads | ||||||||||
| No.5-40UNC | GH2 | 5101103021 | 2.5P | 2.205 | 0.197 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| 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 | 1 |
| No.8-36UNF | GH3 | 5101103030 | 2.5P | 2.48 | 0.276 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 2 | 1 |
| 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 |
| 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 |
| 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 |