Thunderbolt Concrete Anchor Bolt - 12mm Hex Head Hex Head Please note that size 120mm

Please note that size 120mm is partially threaded

Manufactured with a T head for a concealed finish

35mm shank Ø

40° deep single thread to provide a secure fixing with extremely high pull-out resistance

Thunderbolt Concrete Anchor Bolt - 12mm Hex Head Hex Head Please note that size 120mmThunderbolt Screws Hex Head Concrete Screw 12mm The ideal fixing for heavy duty anchoring into brick, stone, wood concrete and concrete block. The Thunderbolt screw is an extremely versatile anchor screw 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