
| Overall length | Thread length | Thread+ leng | Neck th l | Shank ength | Shank dia. | Size of square | Length of square | ||||||
| OL+RZ/OL-R | Z T | hread Formin | g Taps | for D | ry Ta | pping, L | Coa ℓ | ted ℓ | n | ℓs | Ds | K | ℓk |
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | Lobe | Type | Stock |
| M5×0.8 | G6 G7 | OLRZP65.0KP OLRZP75.0KP | 4P | 60 | 13 | 22 | 33 | 5.5 | 4.5 | 7 | 4 | 4 | ○ |
| M6×1 | G6 G7 | OLRZP66.0MP OLRZP76.0MP | 4P | 62 | 15 | 26 | 33 | 6 | 4.5 | 7 | 4 | 4 | ○ |
| For Unified Threads | |||||||||||||
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | Lobe | Type | Stock |
| No.2-56UNC | G4 G5 | OLRZM4UN2EP OLRZM5UN2EP | 4P | 42 | 8.1 | - | 27 | 3 | 2.5 | 5 | 4 | 3 | △ |
| No.2-64UNF | G4 | OLRZM4UN2DP | 4P | 42 | 8.1 | - | 27 | 3 | 2.5 | 5 | 4 | 3 | △ |
| No.3-48UNC | G4 | OLRZM4UN3FP | 4P | 46 | 8.1 | 14 | 29 | 3 | 2.5 | 5 | 4 | 4 | △ |
| No.3-56UNF | G4 | OLRZM4UN3EP | 4P | 46 | 8.1 | 14 | 29 | 3 | 2.5 | 5 | 4 | 4 | △ |
| No.4-40UNC | G5 G6 | OLRZM5UN4HP OLRZM6UN4HP | 4P | 46 | 9 | 14 | 26 | 4 | 3.2 | 6 | 4 | 4 | ○ |
| No.4-48UNF | G5 | OLRZM5UN4FP | 4P | 46 | 9 | 14 | 26 | 4 | 3.2 | 6 | 4 | 4 | △ |
| No.5-40UNC | G5 | OLRZM5UN5HP | 4P | 52 | 11 | 16 | 29 | 5 | 4 | 7 | 4 | 4 | △ |
| No.5-44UNF | G5 | OLRZM5UN5GP | 4P | 52 | 11 | 16 | 29 | 5 | 4 | 7 | 4 | 4 | △ |
| No.6-32UNC | G5 G6 | OLRZM5UN6JP OLRZM6UN6JP | 4P | 52 | 11 | 16 | 29 | 5 | 4 | 7 | 4 | 4 | △ ○ |
| No.6-40UNF | G5 | OLRZM5UN6HP | 4P | 52 | 11 | 16 | 29 | 5 | 4 | 7 | 4 | 4 | △ |
| No.8-32UNC | G6 G7 | OLRZM6UN8JP OLRZM7UN8JP | 4P | 60 | 13 | 21 | 33 | 5.5 | 4.5 | 7 | 4 | 4 | △ |
| No.8-36UNF | G6 | OLRZM6UN8IP | 4P | 60 | 13 | 21 | 33 | 5.5 | 4.5 | 7 | 4 | 4 | △ |
| No.10-24UNC | G6 G7 | OLRZM6UNAMP OLRZM7UNAMP | 4P | 60 | 13 | 22 | 33 | 5.5 | 4.5 | 7 | 4 | 4 | △ |
| No.10-32UNF | G6 G7 | OLRZM6UNAJP OLRZM7UNAJP | 4P | 60 | 13 | 22 | 33 | 5.5 | 4.5 | 7 | 4 | 4 | △ |
| No.12-24UNC | G6 | OLRZM6UNCMP | 4P | 62 | 15 | 26 | 33 | 6 | 4.5 | 7 | 4 | 4 | △ |
| No.12-28UNF | G6 | OLRZM6UNCKP | 4P | 62 | 15 | 26 | 33 | 6 | 4.5 | 7 | 4 | 4 | △ |
| 1/4-20UNC | G7 | OLRZM7U04NP | 4P | 62 | 15 | 26 | 33 | 6 | 4.5 | 7 | 4 | 4 | △ |
| 1/4-28UNF | G7 | OLRZM7U04KP | 4P | 62 | 15 | 26 | 33 | 6 | 4.5 | 7 | 4 | 4 | △ |
Number of oil grooves : non