
| Overall | Pin | Bored hole dia. | Bored hole dia. | d1 | d2 | Shank | Size of | Length of |
| length | length | (GO) | (NOT-GO) | length | length | dia. | square | square |
CPR-T Check Pins for Bored Holes in thread form tapping (Taper Type) Specification ■ One CPR-T enables simple checking of bored hole dia. (for
thread forming taps, taper type).CPR-T is made from wear resistant HSS material is applicable for through hole and for blind hole having enough space in the bottom. For icon explanation, refer to P.50
Segment:7C
| Size | Code | L (mm) | ℓ (mm) | d1 (mm) | d2 (mm) | ℓ1 (mm) | ℓ2 (mm) | Ds (mm) | K (mm) | ℓk (mm) | Type | Stock |
| For Metric Threads | ||||||||||||
| M2×0.4 | CPRT2.0E | 42 | 7 | 1.79 | 1.84 | 1 | 6 | 3 | 2.5 | 5 | 1 | ○ |
| M2.5×0.45 | CPRT2.5F | 46 | 8 | 2.27 | 2.34 | 1.5 | 6.5 | 3 | 2.5 | 5 | 1 | ○ |
| M2.6×0.45 | CPRT2.6F | 46 | 8 | 2.37 | 2.44 | 1.5 | 6.5 | 3 | 2.5 | 5 | 1 | ○ |
| M3×0.5 | CPRT3.0G | 46 | 8.5 | 2.75 | 2.82 | 1.5 | 7 | 4 | 3.2 | 6 | 1 | ○ |
| M4×0.7 | CPRT4.0I | 52 | 10.5 | 3.65 | 3.72 | 2.25 | 8.25 | 5 | 4 | 7 | 1 | ○ |
| M5×0.8 | CPRT5.0K | 59.5 | 12.5 | 4.59 | 4.67 | 2.5 | 10 | 5.5 | 4.5 | 7 | 1 | ○ |
| M6×1 | CPRT6.0M | 61.5 | 16.5 | 5.49 | 5.59 | 3.75 | 12.75 | 6 | 4.5 | 7 | 1 | ○ |
| M8×1.25 | CPRT8.0N | 90 | 19.4 | 7.36 | 7.49 | 4.7 | 14.7 | 8 | 6 | 9 | 2 | ○ |
| M10×1.5 | CPRT010O | 100 | 23.4 | 9.22 | 9.34 | 6.7 | 16.7 | 10 | 8 | 11 | 2 | ○ |
| M10×1.25 | CPRT010N | 100 | 23.4 | 9.35 | 9.49 | 6.7 | 16.7 | 10 | 8 | 11 | 2 | ○ |
| M12×1.75 | CPRT012P | 110 | 27.4 | 11.09 | 11.23 | 7.7 | 19.7 | 12 | 9 | 12 | 2 | ○ |
| M12×1.5 | CPRT012O | 110 | 27.4 | 11.22 | 11.34 | 7.7 | 19.7 | 12 | 9 | 12 | 2 | ○ |
| M12×1.25 | CPRT012N | 110 | 27.4 | 11.36 | 11.50 | 7.7 | 19.7 | 12 | 9 | 12 | 2 | ○ |
| For Unified Threads | ||||||||||||
| No.2-56UNC | CPRTUN2E | 46 | 8 | 1.96 | 2.04 | 1.5 | 6.5 | 3 | 2.5 | 5 | 1 | ○ |
| No.2-64UNF | CPRTUN2D | 46 | 8 | 1.98 | 2.06 | 1.5 | 6.5 | 3 | 2.5 | 5 | 1 | ○ |
| No.3-48UNC | CPRTUN3F | 46 | 8 | 2.25 | 2.35 | 1.5 | 6.5 | 3 | 2.5 | 5 | 1 | ○ |
| No.3-56UNF | CPRTUN3E | 46 | 8 | 2.29 | 2.37 | 1.5 | 6.5 | 3 | 2.5 | 5 | 1 | ○ |
| No.4-40UNC | CPRTUN4H | 46 | 8.5 | 2.54 | 2.64 | 1.5 | 7 | 4 | 3.2 | 6 | 1 | ○ |
| No.4-48UNF | CPRTUN4F | 46 | 8.5 | 2.59 | 2.68 | 1.5 | 7 | 4 | 3.2 | 6 | 1 | ○ |
| No.5-40UNC | CPRTUN5H | 46 | 8.5 | 2.87 | 2.97 | 1.5 | 7 | 4 | 3.2 | 6 | 1 | ○ |
| No.5-44UNF | CPRTUN5G | 46 | 8.5 | 2.90 | 2.99 | 1.5 | 7 | 4 | 3.2 | 6 | 1 | ○ |
| No.6-32UNC | CPRTUN6J | 52 | 10.5 | 3.11 | 3.22 | 2.25 | 8.25 | 5 | 4 | 7 | 1 | ○ |
| No.6-40UNF | CPRTUN6H | 52 | 10.5 | 3.19 | 3.29 | 2.25 | 8.25 | 5 | 4 | 7 | 1 | ○ |
| No.8-32UNC | CPRTUN8J | 52 | 10.5 | 3.78 | 3.89 | 2.25 | 8.25 | 5 | 4 | 7 | 1 | ○ |
| No.8-36UNF | CPRTUN8I | 52 | 10.5 | 3.81 | 3.91 | 2.25 | 8.25 | 5 | 4 | 7 | 1 | ○ |
| No.10-24UNC | CPRTUNAM | 59.5 | 12.5 | 4.30 | 4.44 | 2.5 | 10 | 5.5 | 4.5 | 7 | 1 | ○ |
| No.10-32UNF | CPRTUNAJ | 59.5 | 12.5 | 4.44 | 4.53 | 2.5 | 10 | 5.5 | 4.5 | 7 | 1 | ○ |
| No.12-24UNC | CPRTUNCM | 61.5 | 16.5 | 4.96 | 5.07 | 3.75 | 12.75 | 6 | 4.5 | 7 | 1 | ○ |
| No.12-28UNF | CPRTUNCK | 61.5 | 16.5 | 5.03 | 5.13 | 3.75 | 12.75 | 6 | 4.5 | 7 | 1 | ○ |
| 1/4-20UNC | CPRTU04N | 61.5 | 16.5 | 5.73 | 5.86 | 3.75 | 12.75 | 6 | 4.5 | 7 | 1 | ○ |
| 1/4-28UNF | CPRTU04K | 61.5 | 16.5 | 5.91 | 6.00 | 3.75 | 12.75 | 6 | 4.5 | 7 | 1 | ○ |