FASTENERS / FIXINGS AND TOOLS

METRIC      DIN 7504      ISO 15480      BS N/A

HEXAGON SELF-DRILLING SCREWS COME WITH A COLLAR UNDER THE HEAD AND A DRILL POINT AT THE END OF SCREW, 

USED FOR JOINING THIN SHEET METAL TO TIMBER.

GRADE      STEEL ZINC PLATED.

GRADE      A2 = 304 STAINLESS STEEL.