Professional close hook bolts for commercial or occasional home use Close hook bolt expansion set M8 (8mm) x 55mm close hook expansion bolts This listing is for a pack of 6 close hook expansion bolts Ideal fixings for concrete, stone and brickwork Suitable for secure and reliable fixings of items such s light fixings, for safety chains, barriers, attaching shelves etc... Manufactured from steel for strength and durability Zinc finish for rust and corrosion resistance Suitable for brick, block work and concrete as well as on plasterboards, chipboards etc... Rawl bolt type close hook expansion bolts Designed for anchoring into masonry, brick and concrete Not suitable for applications requiring Building inspection, local authority approval SPECIFICATIONS • Close hook bolts • 8mm expansion close hook bolts • Requires 14mm clearance hole for the expansive bolt • M8 thread • 13mm spanner required to tighten expansion nut • Internal eye diameter – 20mm • Total length of the expansion bolt part – 55mm • Total length – 105mm • Pack size – 6 pack