Designed as an alternative to the traditional coach screw. This heavy duty screw dramatically decreases installation time as it doesn’t require a pilot hole into most wood types. This screw is ideal for external applications or where extra strength is required. Coated with a patented multi-layer corrosion resistant plating to withstand 1,000 hours salt spray test. CE Standard WebBS EN 14592:2008 Colour: Silver Corrosion Rating: 3 - Urban & industrial areas with a low salt atmosphere Finish: Exterior (Silver Organic) Fixed Washer Dia. mm: 18.11 Head Type: Hex Flange Included Items: Socket Driver (Qty 1) Inner Thread Dia. mm: 6.56 Length mm: 60 Material: Carbon Steel Pack Dimensions L x W x H mm: 20 x 130 x 200 Pack Weight kg: 0.329 Point Type: 25° Sharp with Single Slash Product Code: 1060INIS Shank Type: Helix Size mm: 10.0 x 60 Socket Size mm: 13 Thread Dia. mm: 10.0 Thread Length mm: 48 Thread Type: 50° Single Deep.