Designed as an alternative to the traditional coach screw mainly used for timber to timber applications. Coated with a patented multi-layer corrosion resistant plating to withstand 1,000 hours salt spray test, this screw is ideal for external applications. Application Framing, Landscaping, Decking, Fencing, Stairs, Roofing, Gazebos, Pergolas, Sleepers CE Standard Web BS EN 14592:2008 Colour Olive Green Corrosion Rating 3 - Urban & industrial areas with a low salt atmosphere Description Designed as an alternative to the traditional coach screw mainly used for timber to timber applications. Coated with a patented multi-layer corrosion resistant plating to withstand 1,000 hours salt spray test, this screw is ideal for external applications. Finish Exterior (Green Organic) Fixed Washer Dia. mm 12.00 Head Dia. mm 16.08 Head Type Hex Flange Inner Thread Dia. mm 4.40 Length mm 175 Lubrication Wax Material Carbon Steel Pack Dimensions L x W x H mm 180 x 90 x 60 Pack Weight kg 1.487 Point Type 25° Sharp with Single Slash Product Code 175IN Shank Type Helix Size mm 6.7 x 175 Socket Size mm 8 Substrates Hardwood, Softwood Thread Dia. mm 6.7 Thread Length mm 52 Thread Type 50° Single Deep