Allgrip Coach Screws 6 x 50mm, BZP, supplied in a pack of 10.
Coach screws are a heavy gauge timber screw with a hex head for spanner or socket driving and a coarse thread for a strong grip in wood. Used for structural timber fixing: sleepers, gate posts, joist hangers and heavy brackets.
Pre-drill a pilot hole to avoid splitting and to make driving easier. Supplied in a barcoded Allgrip retail prepack.