FASTENERS / FIXINGS AND TOOLS

METRIC      DIN 965      ISO 7046-1      BS 4183

POZI COUNTERSUNK MACHINE SCREWS ARE MEASURED FROM THE TOP OF THE HEAD.

GRADE      4.8                STEEL ZINC PLATED.

GRADE      A2 = 304      STAINLESS STEEL.

GRADE      A4 = 316      STAINLESS STEEL.