Thunderbolts (Flange Head)

Features include:

No marking out

No expansion stress

Fixes close to edge

Fixes along entire thread length

Fixes through hollow sections

Fixes into brick, concrete, stone, block and wood

Needs smaller drill bits than Rawlbolts or sleeve anchors

Quicker and cheaper than expansion anchors

Totally removable

No specialist tools required

Independantly tested in line with European standards