Collection:
Masonry Bolts
Thunderbolt Screws
Multifix Concrete Anchor Bolts
Available In;Hex Head, Pan Head & Countersunk
Hex head 130mm, 150mm and 200mm are partially threaded.
Panhead & Countersunk screws both come with Torx drive for extreme clamping and driving performance.
The ideal fixing for heavy duty anchoring into brick, stone, wood concrete and concrete block.
The Thunderbolt screw is an extremely versatile anchor bolt that performs well in a wide variety of building materials including brick, stone, wood, concrete and concrete block.
You no longer need the old fashioned method such as through bolts, shield, sleeve and drop-in anchors. Thunderbolt screws make anchoring a much more efficient process, greatly increasing the speed of installation.
Key Features
- High-Low parallel threads for ease of insertion and high pull-out values
- Removable & adjustable non-expansion through fixing
- Unique concave thread configuration
- Hex Heads 130mm, 150mm & 200mm screws are partially threaded
All steel, non-flammable fixing conforming to BS 7671 standard's 18th edition, which requires wiring systems to be supported by materials which are unlikely to prematurely collapse in the event of a fire.