... various types of standard fasteners and other mechanical parts, hardware tools, straight shank twist hot upsetting, hot. 16mm ... annealing, stretching, rose type. heat treatmentAll kinds of hardware tools, electric, hydraulic, pneumatic components, air distribution and other ... quenching, annealing and tempering. Such as hammers, knives, scissors, pliers and various types of shafts, cams, sprockets, ...