Index screws or sleeper Screws with a 8mm hexagon head with a washer face in marine grade A4 316 st/st often called sleeper screws.
Ideal fixings with permanent rust resistance ideal for salt water environments. Often used in oak sleepers or structures and seaside installations. Designed for superior clamping force.
Index Screws buy online
Boxed in 25s 8.0mm x 80mm Wafer Head
Suitable in Green oak.
Fixing into timber, decking, stairs, fencing, roofing, landscaping etc.
25° sharp point for easier penetration into all wood types.
50° deep single thread to provide secure fixing with high pull-out resistance.
Made from A4 316 marine grade stainless steel.
Sold in tubes of 25’s.
Possible alternatives are Countersunk Torx screws in A4 316 available up to 6mm & 8mm diameters and 200mm long.