Standard Comparison
| Feature | JIS B 5140 | DIN 9825 |
|---|---|---|
| Diameter Range | Ø8 – 60 mm | Ø10 – 63 mm |
| Shaft Tolerance | g6 | g6 |
| Material | SUJ2 (≈ AISI 52100) | 100Cr6 (≡ SUJ2) |
| Head Style | Flanged or plain | Flanged with chamfer |
| Mold Base | Misumi, Futaba, PUNCH | HASCO, Meusburger, DME EU |
Bottom line: functionally identical. Choose based on your mold base standard.