FULLY THREADED DIN 961. Hexagon head bolts DIN 961 – M12 x 1.25 – 10.9 – flZn. THREAD PITCH HEXAGON HEAD BOLTS SCREWS. HEAD HEIGHT HIGH TENSILE STEEL 10.9 GRADE. Very good protection against corrosion (500 hours with a required duration of salt spray in the case of our products).
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