
| UNC | TCTR (tolerance) | Bored Hol Max | e Ø(mm) Min | Code | THCHT (chamfer) | LF ( inch ) | THL ( inch ) | LU ( inch ) | LS ( inch ) | DCON ( inch ) | K ( inch ) | LK ( inch ) | NOF (Lobes) | Type | Stock | Intro |
| ANSI | ||||||||||||||||
| No.2-56UNC | H3 | 1.99 | 1.97 | 386801M | 2P | 1.772 | 0.314 | - | 1.161 | 0.14 | 0.11 | 0.187 | 0(4) | 004 | f | |
| No.3-48UNC | H3 | 2.3 | 2.27 | 386802M | 2P | 2.205 | 0.354 | 0.669 | 1.28 | 0.14 | 0.11 | 0.187 | 0(4) | 005 | f | SP |
| No4-40UNC | H3 | 2.58 | 2.55 | 386804M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.14 | 0.11 | 0.187 | 0(4) | 005 | f | |
| . | H5 | 2.61 | 2.57 | 386805M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.14 | 0.11 | 0.187 | 0(4) | 005 | f | |
| No.5-40UNC | H5 | 2.94 | 2.9 | 386799M | 2P | 2.205 | 0.433 | 0.768 | 1.358 | 0.14 | 0.11 | 0.187 | 2(4) | 005 | f | |
| H3 | 3.17 | 3.13 | 386810M | 4P | 2.205 | 0.433 | 0.787 | 1.358 | 0.14 | 0.11 | 0.187 | 2(4) | 005 | f | SL | |
| N6-32UNC | H3 | 3.17 | 3.13 | 386808M | 2P | 2.205 | 0.433 | 0.787 | 1.358 | 0.14 | 0.11 | 0.187 | 2(4) | 005 | f | |
| o. | H5 | 3.19 | 3.15 | 386811M | 4P | 2.205 | 0.433 | 0.787 | 1.358 | 0.14 | 0.11 | 0.187 | 2(4) | 005 | f | |
| H5 | 3.19 | 3.15 | 386809M | 2P | 2.205 | 0.433 | 0.787 | 1.358 | 0.14 | 0.11 | 0.187 | 2(4) | 005 | ) | PO | |
| H3 | 3.83 | 3.79 | 386814M | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.17 | 0.131 | 0.25 | 2(4) | 005 | f | ||
| N832UNC | H3 | 3.83 | 3.79 | 386812M | 2P | 2.48 | 0.512 | 0.827 | 1.535 | 0.17 | 0.131 | 0.25 | 2(4) | 005 | f | |
| o.- | H5 | 3.85 | 3.81 | 386815M | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.17 | 0.131 | 0.25 | 2(4) | 005 | f | |
| H5 | 3.85 | 3.81 | 386813M | 2P | 2.48 | 0.512 | 0.827 | 1.535 | 0.17 | 0.131 | 0.25 | 2(4) | 005 | ) | ST | |
| H4 | 4.99 | 4.33 | 386818M | 4P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | f | ||
| N1024UNC | H4 | 4.99 | 4.33 | 386816M | 2P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | f | |
| o.- | H6 | 4.41 | 4.35 | 386819M | 4P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | f | ROLL |
| H6 | 4.41 | 4.35 | 386817M | 2P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | ) | ||
| H4 | 5.83 | 5.76 | 386826M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | f | ANSI | |
| 1/420UNC | H4 | 5.83 | 5.76 | 386824M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | f | |
| - | H6 | 5.85 | 5.78 | 386827M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | f | CARBIDE |
| H6 | 5.85 | 5.78 | 386825M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | ) | ||
| H5 | 7.36 | 7.28 | 386834M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | f | ||
| H5 | 7.36 | 7.28 | 386832M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | f | ||
| 5/16-18UNC | H7 | 7.38 | 7.31 | 386835M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | f | LONG |
| H7 | 7.38 | 7.31 | 386833M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | ) | ||
| H5 | 8.86 | 8.78 | 386842M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | f | ||
| 3/816UNC | H5 | 8.86 | 8.78 | 386840M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | f | HAND |
| - | H7 | 8.89 | 8.8 | 386843M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | f | TAPS |
| H7 | 8.89 | 8.8 | 386841M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | ) | ||
| H5 | 10.35 | 10.26 | 386850M | 4P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f | ||
| 7/16-14UNC | H5 | 10.35 | 10.26 | 386848M | 2P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f | EG (STI) |
| H7 | 10.38 | 10.28 | 386851M | 4P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f | ||
| H7 | 10.38 | 10.28 | 386849M | 2P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f | ||
| H5 | 11.88 | 11.77 | 386858M | 4P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f | SPECIAL | |
| H5 | 11.88 | 11.77 | 386856M | 2P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f | THREADS, GAUGES | |
| 1/2-13UNC | H7 | 11.9 | 11.8 | 386859M | 4P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f | |
| H7 | 11.9 | 11.8 | 386857M | 2P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f | ||
| UNF | TCTR (tolerance) | Bored Hol Max | e Ø(mm) Min | Code | THCHT (chamfer) | LF ( inch ) | THL ( inch ) | LU ( inch ) | LS ( inch ) | DCON ( inch ) | K ( inch ) | LK ( inch ) | NOF (Lobes) | Type | Stock | THREAD MILLS |
| ANSI | ||||||||||||||||
| No.0-80UNF | H2 | 1.39 | 1.37 | 386800M | 2P | 1.772 | 0.236 | - | 1.161 | 0.14 | 0.11 | 0.187 | 0(3) | 004 | f | |
| No.3-56UNF | H3 | 2.32 | 2.3 | 386803M | 2P | 2.205 | 0.354 | 0.669 | 1.28 | 0.14 | 0.11 | 0.187 | 0(4) | 005 | f | DIES |
| H3 | 2.62 | 2.6 | 386806M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.14 | 0.11 | 0.187 | 0(4) | 005 | f | ||
| No.4-48UNF | H5 | 2.65 | 2.62 | 386807M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.14 | 0.11 | 0.187 | 0(4) | 005 | f |