
Recommended class Segment:1J
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | Lobe | Type | Stock |
| For Metric Threads | |||||||||||||
| M1×0.25 | G4 | SURZ41.0BB | 2P | 36 | 4.5 | - | 24 | 3 | 2.5 | 5 | 4 | 1 | ○ |
| M1.2×0.25 | G4 | SURZ41.2BB | 2P | 36 | 4.5 | - | 24 | 3 | 2.5 | 5 | 4 | 1 | ○ |
| M1.4×0.3 | G4 | SURZ41.4CB | 2P | 36 | 5.4 | - | 24 | 3 | 2.5 | 5 | 4 | 1 | ○ |
| M1.6×0.2 | G3 | SURZ31.6AB | 2P | 36 | 3.6 | - | 24 | 3 | 2.5 | 5 | 4 | 2 | ○ |
| M1.6×0.35 | G4 | SURZ41.6DB | 2P | 36 | 6.3 | - | 24 | 3 | 2.5 | 5 | 4 | 2 | ○ |
| M1.7×0.35 | G4 | SURZ41.7DB | 2P | 36 | 6.3 | - | 24 | 3 | 2.5 | 5 | 4 | 2 | ○ |
| M2×0.4 | G4 | SURZ42.0EB | 2P | 42 | 7.2 | - | 27 | 3 | 2.5 | 5 | 4 | 3 | ○ |
| M2.3×0.4 | G4 | SURZ42.3EB | 2P | 42 | 7.2 | - | 27 | 3 | 2.5 | 5 | 4 | 3 | ○ |
| M2.5×0.45 | G4 | SURZ42.5FB | 2P | 46 | 8.1 | 14 | 29 | 3 | 2.5 | 5 | 4 | 4 | ○ |
| M2.6×0.45 | G5 | SURZ52.6FB | 2P | 46 | 8.1 | 14 | 29 | 3 | 2.5 | 5 | 4 | 4 | ○ |
| M3×0.5 i | G5 | SURZ53.0GB | 2P | 46 | 9 | 14 | 26 | 4 | 3.2 | 6 | 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 | SURZ4UN2EB | 2P | 42 | 8.1 | - | 27 | 3 | 2.5 | 5 | 4 | 3 | ○ |
| No.4-40UNC | G5 | SURZ5UN4HB | 2P | 46 | 9 | 14 | 26 | 4 | 3.2 | 6 | 4 | 4 | ○ |
| No.6-32UNC | G5 | SURZ5UN6JB | 2P | 52 | 11 | 16 | 29 | 5 | 4 | 7 | 4 | 4 | ○ |
Number of oil grooves : Metric thread : M2.6 and smaller=non, M3=2 Unified thread : No.4 and smaller=non, No.6=2