... 3.Over 10 years experience tungsten carbide wire drawing die for copper wire Grade Recommend GradeDensity g/cm3Hardness HRA(hv ... high wear resistance,high bending strength,high resistance to bonding, high thermal strength.Machining of refractory alloys, ... by interference fitting, induction & gas brazing or using adhesive bonding.PRODUCTS RANGEl Rods & Endmilll Stripes & Platesl cutting toolsl Ring ...