
| Overall | Pin | Bored hole | Bored hole dia. | Bored hole | Bored hole | Shank | Size of | Length of | |
| length | length | dia.(GO) | (NOT-GO) | depth(1.5D) | depth( 2D) | dia. | square | square | |
| L | ℓ | d₁ | d₂ | ℓ₁ | ℓ₂ | Ds | K | ℓk |
■ One CPC-T enables simple checking of bored hole dia. ( for cutting taps, taper type ).CPC-T is made from wear resistant HSS material and is applicable for through hole and for blind hole having enough space in the bottom. For icon explanation, refer to P.50
Segment:7C
| L | ℓ | d1(inch) | d2(inch) | ℓ | ℓ | Ds | K | ℓk | ||||
| Size | Code | 1 | 2 | Type Stock | ||||||||
| (inch) | (inch) | (Thread engagement ratio)(Thread engagement ratio) (inch) | (inch) | (inch) | (inch) | (inch) |
For Unified Threads
| No.2-56UNC | CPCTAUN2E | 1.65 | 0.28 | 0.0667(83.1%) | 0.0737(53.2%) | 0.039 0.236 0.118 0.10 | 0.20 | 1 | ○ |
| No.2-64UNF | CPCTAUN2D | 1.65 | 0.28 | 0.0691(83.1%) | 0.0753(52.8%) | 0.039 0.236 0.118 0.10 | 0.20 | 1 | ○ |
| No.3-48UNC | CPCTAUN3F | 1.81 | 0.31 | 0.0764(83.4%) | 0.0845(53.6%) | 0.059 0.256 0.118 0.10 | 0.20 | 1 | ○ |
| No.3-56UNF | CPCTAUN3E | 1.81 | 0.31 | 0.0797(83.1%) | 0.0865(53.9%) | 0.059 0.256 0.118 0.10 | 0.20 | 1 | ○ |
| No.4-40UNC | CPCTAUN4H | 1.81 | 0.31 | 0.0849(83.4%) | 0.0939(55.7%) | 0.059 0.256 0.118 0.10 | 0.20 | 1 | ○ |
| No.4-48UNF | CPCTAUN4F | 1.81 | 0.31 | 0.0894(83.5%) | 0.0968(56.3%) | 0.059 0.256 0.118 0.10 | 0.20 | 1 | ○ |
| No.5-40UNC | CPCTAUN5H | 1.81 | 0.33 | 0.0979(83.4%) | 0.1062(57.9%) | 0.059 0.276 0.157 0.13 | 0.24 | 1 | ○ |
| No.5-44UNF | CPCTAUN5G | 1.81 | 0.33 | 0.1004(83.2%) | 0.1079(58.0%) | 0.059 0.276 0.157 0.13 | 0.24 | 1 | ○ |
| No.6-32UNC | CPCTAUN6J | 1.81 | 0.33 | 0.1040(83.7%) | 0.1140(59.2%) | 0.059 0.276 0.157 0.13 | 0.24 | 1 | ○ |
| No.6-40UNF | CPCTAUN6H | 1.81 | 0.33 | 0.1110(83.1%) | 0.1186(59.7%) | 0.059 0.276 0.157 0.13 | 0.24 | 1 | ○ |
| No.8-32UNC | CPCTAUN8J | 2.05 | 0.41 | 0.1300(83.8%) | 0.1389(61.8%) | 0.091 0.327 0.197 0.16 | 0.28 | 1 | ○ |
| No.8-36UNF | CPCTAUN8I | 2.05 | 0.41 | 0.1340(83.1%) | 0.1416(62.1%) | 0.091 0.327 0.197 0.16 | 0.28 | 1 | ○ |
| No.10-24UNC | CPCTAUNAM | 2.34 | 0.49 | 0.1450(83.1%) | 0.1555(63.7%) | 0.098 0.394 0.217 0.18 | 0.28 | 1 | ○ |
| No.10-32UNF | CPCTAUNAJ | 2.34 | 0.49 | 0.1560(83.7%) | 0.1641(63.8%) | 0.098 0.394 0.217 0.18 | 0.28 | 1 | ○ |
| No.12-24UNC | CPCTAUNCM | 2.34 | 0.49 | 0.1710(83.1%) | 0.1807(65.2%) | 0.098 0.394 0.217 0.18 | 0.28 | 1 | ○ |
| No.12-28UNF | CPCTAUNCK | 2.34 | 0.49 | 0.1770(84.0%) | 0.1857(65.3%) | 0.098 0.394 0.217 0.18 | 0.28 | 1 | ○ |
| 1/4-20UNC | CPCTAU04N | 2.42 | 0.65 | 0.1960(83.1%) | 0.2067(66.7%) | 0.150 0.504 0.236 0.18 | 0.28 | 1 | ○ |
| 1/4-28UNF | CPCTAU04K | 2.42 | 0.65 | 0.2110(84.0%) | 0.2190(66.8%) | 0.150 0.504 0.236 0.18 | 0.28 | 1 | ○ |
| 5/16-18UNC | CPCTAU05O | 3.54 | 0.76 | 0.2520(83.8%) | 0.2630(68.6%) | 0.185 0.579 0.315 0.24 | 0.35 | 2 | ○ |
| 5/16-24UNF | CPCTAU05M | 3.54 | 0.76 | 0.2670(84.0%) | 0.2754(68.5%) | 0.185 0.579 0.315 0.24 | 0.35 | 2 | ○ |
| 3/8-16UNC | CPCTAU06P | 3.94 | 0.92 | 0.3070(83.7%) | 0.3182(70.0%) | 0.264 0.657 0.394 0.31 | 0.43 | 2 | ○ |
| 3/8-24UNF | CPCTAU06M | 3.94 | 0.92 | 0.3300(83.1%) | 0.3372(69.8%) | 0.264 0.657 0.394 0.31 | 0.43 | 2 | ○ |
| 7/16-14UNC | CPCTAU07Q | 4.33 | 1.08 | 0.3600(83.5%) | 0.3717(70.9%) | 0.303 0.776 0.472 0.35 | 0.47 | 2 | ○ |
| 7/16-20UNF | CPCTAU07N | 4.33 | 1.08 | 0.3830(83.9%) | 0.3916(70.7%) | 0.303 0.776 0.472 0.35 | 0.47 | 2 | ○ |
| 1/2-13UNC | CPCTAU08R | 4.33 | 1.08 | 0.4170(83.1%) | 0.4284(71.7%) | 0.303 0.776 0.472 0.35 | 0.47 | 2 | ○ |
| 1/2-20UNF | CPCTAU08N | 4.33 | 1.08 | 0.4460(83.1%) | 0.4537(71.3%) | 0.303 0.776 0.472 0.35 | 0.47 | 2 | ○ |