Specifications: Diameter: 3.8mm / 0.15", diameter accuracy: +/-0.008mm / 0.0003"; length: 100mm / 3.93". High-speed steel rod is with combination of hardness and toughness for wear resistance, hardness HRC61~63General Purpose: Widely used for processing milling cutters, sharp knives, gravers, punch press needles, bearings sleeve rods of machine tools, high hard ejector rods and center pinsVersatile Steel Rods: Suitable for processing top circle, end face, bore, thread, plane, step, groove. Suitable for copper, aluminum, unhardened steel itemsUse Note: Please add some oil during storage and reduce contact with air or do not expose to air for rust protection. The surface is smooth, easy to shape, no cracks formedMeet Your Needs: Steel Rods can be easy to cut and formed into replacement parts for almost anything.
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