
Unit : mm
| Size | Class | Bored Hole Size | Expected minor Diameter of Internal Thread Size |
| M1×025 | G4 | 0.91 | 076 |
| . | G5 | 0.92 | . |
| M12×025 | G4 | 1.11 | 096 |
| .. | G5 | 1.12 | . |
| M1.4×0.3 | G4 G5 | 1.28 1.30 | 1.12 |
| M1.4×0.2 | G3 | 1.32 | 1.21 |
| G4 | 1.46 | ||
| M1.6×0.35 | G5 | 1.47 | 1.28 |
| G6 | 1.48 | ||
| M1.6×0.2 | G3 | 1.52 | 1.41 |
| G4 | 1.56 | ||
| ※M1.7×0.35 | G5 | 1.57 | 1.38 |
| G6 | 1.58 | ||
| M18×035 | G4 | 1.66 | 148 |
| .. | G5 | 1.67 | . |
| G4 | 1.82 | ||
| M2×0.4 | G5 | 1.83 | 1.64 |
| G6 | 1.85 | ||
| M2×025 | G4 | 1.90 | 176 |
| . | G5 | 1.92 | . |
| M2.2×0.45 | G5 | 2.01 | 1.79 |
| G4 | 2.12 | ||
| ※M2.3×0.4 | G5 | 2.13 | 1.94 |
| G6 | 2.15 | ||
| M25×045 | G5 | 2.31 | 209 |
| .. | G6 | 2.33 | . |
| M25×035 | G4 | 2.35 | 218 |
| .. | G5 | 2.37 | . |
| ※M26×045 | G5 | 2.41 | 219 |
| .. | G6 | 2.43 | . |
| ※M26×035 | G5 | 2.47 | 228 |
| .. | G6 | 2.48 | . |
| G5 | 2.79 | ||
| M3×05 | G6 | 2.81 | 255 |
| . | G7 | 2.82 | . |
| G8 | 2.83 | ||
| M3×0.35 | G5 | 2.85 | 2.68 |
| G6 | 2.87 | ||
| G5 | 3.24 | ||
| M3.5×0.6 | G6 | 3.25 | 2.95 |
| G7 | 3.26 | ||
| M35×035 | G5 | 3.35 | 318 |
| .. | G6 | 3.36 | . |
| G5 | 3.69 | ||
| M4×07 | G6 | 3.70 | 335 |
| . | G7 | 3.72 | . |
| G8 | 3.73 |
| Size | Class | Bored Hole Size | Expected minor Diameter of Internal Thread Size |
| G5 | 3.79 | ||
| M4×0.5 | G6 | 3.80 | 3.55 |
| G7 | 3.82 | ||
| G5 | 4.63 | ||
| M5×08 | G6 | 4.65 | 426 |
| . | G7 | 4.66 | . |
| G8 | 4.67 | ||
| M5×05 | G6 | 4.80 | 455 |
| . | G7 | 4.81 | . |
| G5 | 5.53 | ||
| M6×1 | G6 | 5.55 | 506 |
| G7 | 5.56 | . | |
| G8 | 5.57 | ||
| M6×075 | G6 | 5.67 | 531 |
| . | G7 | 5.68 | . |
| ※M6×0.5 | G6 | 5.79 | 5.55 |
| G6 | 6.54 | ||
| M7×1 | G7 | 6.56 | 6.06 |
| M7×0.75 | G7 | 6.68 | 6.31 |
| M8×125 | G7 | 7.44 | 681 |
| . | G8 | 7.45 | . |
| M8×1 | G7 | 7.55 | 7.06 |
| M8×0.75 | G7 | 7.68 | 7.31 |
| M10×1.5 | G7 G8 | 9.31 9.33 | 8.56 |
| M10×125 | G7 | 9.44 | 881 |
| . | G8 | 9.45 | . |
| M10×1 | G7 | 9.55 | 9.06 |
| M12×1.75 | G8 G9 | 11.20 11.21 | 10.32 |
| M12×1.5 | G8 | 11.31 | 10.56 |
| G9 | 11.32 | ||
| M12×125 | G8 | 11.43 | 1081 |
| . | G9 | 11.45 | . |
| M12×1 | G7 | 11.55 | 11.06 |
| M14×2 | G9 | 13.08 | 1207 |
| G10 | 13.10 | . | |
| M14×1.5 | G9 | 13.32 | 12.56 |
| M14×1 | G8 | 13.55 | 13.06 |
| M16×2 | G9 G10 | 15.08 15.09 | 14.07 |
| M16×1.5 | G9 | 15.31 | 14.56 |
| M16×1 | G8 | 15.55 | 15.06 |
| M18×15 | G9 | 17.31 | 1656 |
| . | G10 | 17.32 | . |
| M20×2.5 | G11 | 18.86 | 17.58 |
| M20×1.5 | G9 G10 | 19.31 19.32 | 18.56 |
Sizes with * mark are deleted from JIS. Technical Inf