THUNDERBOLT HEX HEAD M12x130 An all purpose

An all purpose

All materials used in construction are WRAS approved

The vent has a baffled grille to prevent the ingress of driving rain and wind whilst incorporating an insect grille and drip lip

000mm² airflow

Double chamfer hexagon full nut

THUNDERBOLT HEX HEAD M12x130 An all purposePacked: 25 The original and best selling all purpose anchor Self tapping and suitable for concrete, stone, brick, marble, wood and block (solid or hollow) Safe anchorage achieved without the need of high tightening forces Can be removed and re fixed into the same hole, providing the thread is correctly aligned No expansion forces means close to the edge fixing and reduced centre spacing distances