The TIMCO Multi-Fix Bolts Hex Head Exterior Silver includes 2 high-performance, stress-free, non-expansion through fixings designed for heavy duty anchoring into concrete, brick, stone, wood and concrete block. These innovative bolts replace traditional anchors such as throughbolts, shield, sleeve and drop-in anchors. Features include TIMco micro plating (Nano) technology for superior corrosion resistance, high-low parallel threads for easy insertion and high pull-out values, and a unique concave thread configuration. The bolts are removable and adjustable, making them ideal for professional applications. Conforming to BS 7671 standard’s 18th edition, these all-steel, non-flammable fixings are designed to maintain structural integrity in fire conditions.