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1. Woodworker parts of Powder Metallurgy
2. Material: Iron powder metallurgy
3. Molding: Form in one piece & Sizing4. Size: 5~100mm outside diameter
5. Density: ≥6.8g/cc6. Hardness: ≥80HRB or ≥20HRC7. Steam-treatment or Heat treatmentWoodworker TOOL PARTS