The TIMco Multi-Fix screw offers a rapid and effective light duty anchoring system for fixing into concrete, brick, stone, concrete block and wood. The concrete screw features a 30mm hi-lo starting thread for rapid installation and debris removal whilst offering a safe and secure fixing into most substrates. This through fixing provides a single solution and replaces traditional fixings such as nylon frame and hammer fixings. Drill Hole - 6.0mm Driver Bit Size - T30 Colour/Plating - Zinc & Yellow Passivated Size - 7.5mm x 70mm KINDLY REMINDER: Delivery to the UK Highlands, Channel Islands, Northern Ireland, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-30), PA(1-49), PA(60-78),PA80, PH, PH(11-40), PH(41-44), PH(49-50), AB, IV, KW, ZE, GY(1-10), JE(1-5), PO(30-41), IM, IR, HS are excluded from our standard delivery charge and may incur extra costs.