
| UNF | TCTR (tolerance) | Bored Ho Max | le Ø(mm) Min | Code | THCHT (chamfer) | LF ( inch ) | THL ( inch ) | LU ( inch ) | LS ( inch ) | DCON ( inch ) | K ( inch ) | LK ( inch ) | NOF (Lobes) | Type | Stock |
| ANSI | |||||||||||||||
| H4 | 4.5 | 4.46 | 386822M | 4P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | f | |
| N10-32UNF | H4 | 4.5 | 4.46 | 386820M | 2P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | f |
| o. | H6 | 4.53 | 4.48 | 386823M | 4P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | f |
| H6 | 4.53 | 4.48 | 386821M | 2P | 2.756 | 0.551 | 0.984 | 1.654 | 0.19 | 0.152 | 0.25 | 2(4) | 005 | ) | |
| H4 | 5.96 | 5.92 | 386830M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | f | |
| 1/4-28UNF | H4 | 5.96 | 5.92 | 386828M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | f |
| H6 | 5.99 | 5.94 | 386831M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | f | |
| H6 | 5.99 | 5.94 | 386829M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.26 | 0.191 | 0.312 | 2(4) | 005 | ) | |
| H5 | 7.5 | 7.45 | 386838M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | f | |
| H5 | 7.5 | 7.45 | 386836M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | f | |
| 5/16-24UNF | H7 | 7.53 | 7.47 | 386839M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | f |
| H7 | 7.53 | 7.47 | 386837M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.32 | 0.238 | 0.375 | 3(6) | 006 | ) | |
| H5 | 9.08 | 9.02 | 386846M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | f | |
| H5 | 9.08 | 9.02 | 386844M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | f | |
| 3/8-24UNF | H7 | 9.1 | 9.04 | 386847M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | f |
| H7 | 9.1 | 9.04 | 386845M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.38 | 0.286 | 0.437 | 3(6) | 006 | ) | |
| H5 | 10.58 | 10.51 | 386854M | 4P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f | |
| 7/16-20UNF | H5 | 10.58 | 10.51 | 386852M | 2P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f |
| H7 | 10.6 | 10.54 | 386855M | 4P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f | |
| H7 | 10.6 | 10.54 | 386853M | 2P | 3.937 | 0.906 | - | 2.008 | 0.32 | 0.242 | 0.406 | 4(8) | 007 | f | |
| H5 | 12.16 | 12.1 | 386862M | 4P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f | |
| /NF | H5 | 12.16 | 12.1 | 386860M | 2P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f |
| 12-20U | H7 | 12.19 | 12.12 | 386863M | 4P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f |
| H7 | 12.19 | 12.12 | 386861M | 2P | 4.331 | 1.024 | - | 2.205 | 0.37 | 0.275 | 0.437 | 4(8) | 007 | f |
THREADS,