General description This stress-free, non-expansion through fixing is the new solution for heavy-duty anchoring into concrete, brick, stone, wood, and concrete block, replacing the need for traditional anchors such as through bolts, shield, sleeve, and drop-in anchors. The Multi-Fix Bolts are also referred to as thunder bolts or lightning bolts. Technical specifications Size: M6 x 50mm Drill size: 6mm Socket size: 10mm Pack Quantity: 100 Corrosion resistance: TIMco micro plating (Nano) technology Thread type: High-Low parallel threads for ease of insertion and high pull-out values Unique concave thread configuration Other information Removable & adjustable non-expansion through fixing Complies with BS7671:2018 IET Wiring Regulations (Eighteenth edition)