The development of high-quality staples is achieved by a mild steel ... high-frequency quenching Steel for high-strength bolts (MB series, ADS series) Super Forge (SF) Steel for direct normalizing treatment (FG, DN) Non-refining steel for direct cutting SHTB™, steel for high-tension bolt Thin wire rod (5.0Φ, 4.5Φ, 4.0Φ, 3.8Φ, 3.6Φ ...
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