Multiple uses for fitting a variety of hardware to frames where there is no steel or aluminium reinforcement present. Countersunk head with ribs under head for improved countersinking. The larger 4.8mm diameter screws known as repair screws are frequently used in stripped holes. Stainless steel should be used where there is a corrosive environment. Approval All tested to BS EN ISO 9227:2006. UKAS Accredited. In accordance with BS 7412 and both the BPF and GGF guidelines. Colour Silver Corrosion Rating 4 - Urban & industrial areas with a moderate salt atmosphere Description Multiple uses for fitting a variety of hardware to frames where there is no steel or aluminium reinforcement present. Countersunk head with ribs under head for improved countersinking. The larger 4.8mm diameter screws known as repair screws are frequently used in stripped holes. Stainless steel should be used where there is a corrosive environment. Driver Bit Size PH2 Head Type Countersunk with Ribs Length mm 25 Material Austenitic Stainless Steel (A2-304) Pack Dimensions L x W x H mm 135 x 90 x 90 Pack Weight kg 1.786 Point Type Gimlet Product Code 209SS Recess Type Phillips Size mm 4.8 x 25 Substrates PVCu Thread Dia. mm 4.8 Thread Type Single