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. Approval: All tested to BS EN ISO 9227:2006. UKAS Accredited. In accordance with BS 7412 and both the BPF and GGF guidelines. Corrosion Rating: 2 - Occasionally damp/wet, rural and sheltered areas. Driver Bit Size: PH2. Finish: Zinc & Yellow. Head Type: Countersunk with Ribs. Length mm: 30. Material: Carbon Steel. Pack Dimensions L x W x H mm: 135 x 90 x 90. Pack Weight kg: 1.826. Point Type: Gimlet. Product Code: 205Y. Recess Type: Phillips. Size mm: 4.3 x 30. Substrates: PVCu. Thread Dia. mm: 4.3. Thread Type: Single.