

Our experienced senior technical engineers can offer customers the professional technical solution and custom-designed service on our products.
This spider jaw coupling hub is produced by metal injection molding, forming the characteristic three-jaw geometry, central bore and keyway in a near-net-shape sintered part. MIM delivers the complex jaw geometry and material properties needed for torque transmission at competitive cost compared with machined alternatives.






| Process | Metal injection molding (MIM) + sintering + heat treatment |
| Material | Alloy steel 4600 series, stainless steel 17-4PH |
| Hardness | HRC 28-45 after heat treatment |
| Density | 96-98% of theoretical density |
| Tolerance | ±0.3% of dimension (typical) |
| Surface finish | Shot blasting, black oxide, zinc plating |
| Volume | Suitable from 5,000 pcs/year and above |
| Lead time | 15-20 days after tooling approval |
| Quality control | 100% dimensional and balance inspection |
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MIM manufacturer MDM Metal has been focusing on the manufacturing of MIM parts, MIM Components sintering parts and custom metal parts for years.Your satisfactory is our biggest honor.