Uxcell 4mm x 200mm HSS Lathe Shaft Bar Stock Tool Round Steel Rod 10 Pack

Descriptions: Uxcell 4mm x 200mm HSS Lathe Shaft Bar Stock Tool Round Steel Rod 10 Pack Specifications: Diameter: 4mm / 0.16 diameter accuracy: +/-0.008mm / 0.0003 ; length: 200mm / 7.87 . High-speed steel rod is with combination of hardness and toughness for wear resistance hardness 61-63HRC. General Purpose: Widely used for processing milling cutters sharp knives gravers punch press needles bearings sleeve rods of machine tools high hard ejector rods and mould center pins. Versatile Steel Rods: Suitable for processing top circle end face bore thread plane step groove. Suitable for copper aluminum unhardened steel items. Use 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 formed. Meet Your Needs: Steel Rods can be easy to cut and formed into replacement parts for almost anything. You can cut to any size you want according to your needs. Notices: The product exists warpage deformation but the product will not have any impact on the use. It is not recommended to be used for work environments with high requirements for coaxiality. If the length of product is 25mm there is 0.25mm of warpage deformation; when the length of the product is 200mm the product exists 2mm warpage deformation. Note: Product specifications below 10mm in diameter (inclusive) are applicable. Warpage check method: three-jaw chuck clamping check the runout of the other end the specific check value as described above.