M6,M8,M10,M12,M16, Lightning, Thunder, Concrete Hex Head Bolts.

M6,M8,M10,M12,M16, Lightning, Thunder, Concrete Hex Head Bolts.
 
How to use:
Drill a hole to the required diameter/depth (Please see table on pictures for guidance)
Remove any loose dust from the hole.
Insert the Lightning bolt into the hole and using a light, downward pressure, screw the bolt into place.
Tighten the Lightning bolt to secure your fixture in place.
You now have a semi-permanent fixing that can be later removed if required.
 
Please Note: M6 is a Flange Head, M8,M10,M12 & M16 are Hex Head.