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auger bit
SteelBody,madebymaterial40Cror42CrMo,heattreatmentwith40-44HRChardness,hashightoughnessandwearablecharacter.TipismadefromLowpressSintered,andSuitableGradeSelectedaccordingtotheTargetProjects,Whicharetomakesurethegoodperformanceduringworking.)