Hex head coach screw, suitable for fixing into timber, can fix into brickwork and masonry with an M6 plug. M6 washers sold separately. - Length excludes 4mm bolt head - 55mm screw thread, 15mm unthreaded - Bright Zinc Plated finish (BZP) - Pre-drill timber with 2mm - 4mm pilot hole - Hex Head fits a 10mm spanner