Code : SPW-J, SPW-I, SPW
Brand : Eisen

| Model No. | Type of thread | Pitch | Type of gauge | Class |
| SPW-J | M3 | 0.5 | GP | II |
| M4 | 0.7 | |||
| M5 | 0.8 | |||
| M6 | 1.0 | |||
| M8 | 1.25 | |||
| M10 | 1.5 | |||
| Model No. | Type of thread | Pitch | Type of gauge | Class |
| SPW-I | M3 | 0.5 | GP | 6H |
| M4 | 0.7 | |||
| M5 | 0.8 | |||
| M6 | 1.0 | |||
| M8 | 1.25 | |||
| M10 | 1.5 | |||
| *We will separately produce a special size. *Gauges in M8 or larger size and gauges for the no-go side are available upon request. |
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| Type of thread | Pitch | Type of gauge | Class | |
| M1.4 | 0.3 | coarse | GP ?JIS/ISO? | ? ?JISClass? 6H ?ISOClass? ?M1.4[5H] |
| M1.6 | 0.35 | coarse | ||
| M1.7 | 0.35 | coarse | ||
| M1.8 | 0.35 | coarse | ||
| M2 | 0.4 | coarse | ||
| M2.3 | 0.4 | coarse | ||
| M2.5 | 0.45 | coarse | ||
| M2.6 | 0.45 | coarse | ||
| M3 | 0.5 | coarse | ||
| M4 | 0.7 | coarse | ||
| M5 | 0.8 | coarse | ||
| M6 | 1.0 | coarse | ||
| M8 | 1.25 | coarse | ||
| M8 | 1.0 | fine | ||
| M10 | 1.5 | coarse | ||
| M10 | 1.25 | fine | ||
| M10 | 1.0 | fine | ||