South Korea’s Samsung Electronics established a flat-panel TV and LCD display production plant in Cairo, Egypt, and Beni Suave State. This is also Samsung’s first plant in the Middle East. Among them, our company provides 8.8 and 10.9 high-strength bolt and nut washers. The construction of the entir Read More

Haina Fasteners registered a new trademark HINA in March 2021It will help Haina to open up the international market and also make Haina popularity to the world Read More

CHEMICAL COMPOSITION(%) MAXTENSILE TESTHARDNESS(HRB) MAXYIELD STRENGTH (MPA) TENSILE STRENGTH (MPA)ELONGATION IN 4D (%)REDUCTION OF AREA (%)CSiMnPSCrNiMoNOther0.1110.040.034~6/0.4~0.65//5506901650/0.37~0.490.15~0.350.65~1.10.0350.040.75~1.2/0.15~0.25//7208601650/0.37~0.490.15~0.350.65~1.10.0 Read More

Mechanical Property RequirementsStainless Alloy GroupConditionsAlloy Mechanical Property MarkingNominal Dia,in.Full-Size TestsMachined Specimen TestsTensile Strength, ksi Yield Strength, ksiRockwell Read More

Thread Dimensions and Overtapping Allowances for Nuts Hot Dip Zinc Coated per Specification F2329Nominal Nut Size,in.and PitchDiametral Allowance,in.APitch Diameter,in.MinMax0.250-200.0160.23350.23840.312-180.0170.29340.29870.375-160.0170.35140.35710.437-140.0180.40910.41520.500-130.0180.46800 Read More

Mechanical Requirements Class and Grade Diameter,in Heat Treatment Minimum Tempering Temperature °F Tensile Strength, min,ksi Yield Strength, min,ksi (0.2% offset) Elongation in 2 in. Read More