
EG(STI) UNC Code NOF Type Stock
(tolerance) (mm) (mm) (chamfer) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch )
| ANSI STI No.2-56UNC | GH2 | 2.35 | 2.4 | Y87200 | 4.5P | 1.875 | 0.335 | 0.562 | - | 0.14 | 0.11 | 0.187 | 2 | 030 | f | |
| GH1 | 3.1 | 3.13 | Y87203 | 4.5P | 2 | 0.413 | 0.687 | - | 0.14 | 0.11 | 0.187 | 3 | 030 | f | SP | |
| STI No.4-40UNC | GH2 | 3.1 | 3.13 | Y87204 | 4.5P | 2 | 0.413 | 0.687 | - | 0.14 | 0.11 | 0.187 | 3 | 030 | f | |
| GH2 | 3.8 | 3.83 | Y87208 | 4.5P | 2.375 | 0.531 | 0.875 | - | 0.19 | 0.152 | 0.25 | 3 | 030 | f | ||
| STI No.6-32UNC | GH3 | 3.8 | 3.83 | Y87224 | 4.5P | 2.375 | 0.531 | 0.875 | - | 0.19 | 0.152 | 0.25 | 3 | 030 | f | |
| GH2 | 4.4 | 4.48 | Y87210 | 4.5P | 2.375 | 0.571 | 0.937 | - | 0.22 | 0.165 | 0.281 | 3 | 030 | f | SL | |
| STI No.8-32UNC | GH3 | 4.4 | 4.48 | Y87226 | 4.5P | 2.375 | 0.571 | 0.937 | - | 0.22 | 0.165 | 0.281 | 3 | 030 | f | |
| STI N1024UNC | GH2 | 5.2 | 5.23 | Y87212 | 4.5P | 2.5 | 0.591 | 1 | - | 0.26 | 0.191 | 0.312 | 3 | 030 | f | |
| o.- | GH3 | 5.2 | 5.23 | Y87228 | 4.5P | 2.5 | 0.591 | 1 | - | 0.26 | 0.191 | 0.312 | 3 | 030 | f | PO |
| GH2 | 6.8 | 6.81 | Y87248 | 4.5P | 2.718 | 0.669 | 1.125 | - | 0.32 | 0.238 | 0.375 | 3 | 030 | f | ||
| STI 1/4-20UNC | GH3 | 6.8 | 6.81 | Y87258 | 4.5P | 2.718 | 0.669 | 1.125 | - | 0.32 | 0.238 | 0.375 | 3 | 030 | f | |
| GH3 | 8.4 | 8.43 | Y87260 | 4.5P | 2.937 | 0.748 | 1.25 | - | 0.38 | 0.286 | 0.437 | 3 | 030 | f | ||
| STI 5/16-18UNC | GH4 | 8.4 | 8.43 | Y87272 | 4.5P | 2.937 | 0.748 | 1.25 | - | 0.38 | 0.286 | 0.437 | 3 | 030 | f | ST |
| GH3 | 10 | 10.06 | Y87262 | 4.5P | 3.375 | 0.984 | - | - | 0.37 | 0.275 | 0.437 | 3 | 006 | f | ||
| STI 3/8-16UNC | GH4 | 10 | 10.06 | Y87270 | 4.5P | 3.375 | 0.984 | - | - | 0.37 | 0.275 | 0.437 | 3 | 006 | f | |
| STI 7/16-14UNC | GH3 | 11.7 | 11.71 | Y87264 | 4.5P | 3.593 | 0.984 | - | - | 0.43 | 0.322 | 0.5 | 3 | 006 | f | |
| STI 1/2-13UNC | GH3 | 13.2 | 13.33 | Y87266 | 4.5P | 3.812 | 1.083 | - | - | 0.48 | 0.36 | 0.562 | 3 | 006 | f | ROLL |
| EG(STI) UNF | TCTR (tolerance) | Ø (mm) | Hole Ø (mm) | Code | THCHT (chamfer) | LF ( inch ) | THL ( inch ) | LU ( inch ) | LS ( inch ) | DCON ( inch ) | K ( inch ) | LK ( inch ) | NO | F Type | Stock | |
| ANSI | CARBIDE | |||||||||||||||
| STI No.6-40UNF | GH2 | 3.7 | 3.77 | Y87209 | 4.5P | 2.125 | 0.453 | 0.75 | - | 0.17 | 0.131 | 0.25 | 3 | 030 | f | |
| GH2 | 5.1 | 5.14 | Y87213 | 4.5P | 2.5 | 0.591 | 1 | - | 0.26 | 0.191 | 0.312 | 3 | 030 | f | ||
| STI No.10-32UNF | GH3 | 5.1 | 5.14 | Y87229 | 4.5P | 2.5 | 0.591 | 1 | - | 0.26 | 0.191 | 0.312 | 3 | 030 | f | |
| GH2 | 6.6 | 6.68 | Y87249 | 4.5P | 2.718 | 0.669 | 1.125 | - | 0.32 | 0.238 | 0.375 | 3 | 030 | f | LONG | |
| STI 1/4-28UNF | GH3 | 6.6 | 6.68 | Y87259 | 4.5P | 2.718 | 0.669 | 1.125 | - | 0.32 | 0.238 | 0.375 | 3 | 030 | f | |
| GH2 | 8.3 | 8.31 | Y87251 | 4.5P | 2.937 | 0.748 | 1.25 | - | 0.38 | 0.286 | 0.437 | 3 | 030 | f | ||
| STI 5/16-24UNF | GH3 | 8.3 | 8.31 | Y87261 | 4.5P | 2.937 | 0.748 | 1.25 | - | 0.38 | 0.286 | 0.437 | 3 | 030 | f | HAND |
| GH2 | 9.8 | 9.89 | Y87253 | 4.5P | 3.156 | 0.866 | - | - | 0.32 | 0.242 | 0.406 | 3 | 006 | f | TAPS | |
| STI 3/8-24UNF | GH3 | 9.8 | 9.89 | Y87263 | 4.5P | 3.156 | 0.866 | - | - | 0.32 | 0.242 | 0.406 | 3 | 006 | f | |
| GH3 | 11.5 | 11.53 | Y87265 | 4.5P | 3.375 | 0.984 | - | - | 0.37 | 0.275 | 0.437 | 3 | 006 | f | ||
| STI 7/16-20UNF | GH4 | 11.5 | 11.53 | Y87275 | 4.5P | 3.375 | 0.984 | - | - | 0.37 | 0.275 | 0.437 | 3 | 006 | f | EG (STI) |
| STI 1/2-20UNF | GH3 | 13.1 | 13.12 | Y87267 | 4.5P | 3.593 | 0.984 | - | - | 0.43 | 0.322 | 0.5 | 3 | 006 | f | |
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