Thunderbolt type Screwbolt Hex Head M12x75mm Yellow Zinc.
All-purpose anchorSelf tapping and suitable for concrete, stone, brick, marble, wood and block (solid or hollow)Safe anchorage achieved without the need of high tightening forcesCan be removed and re-fixed into the same hole, providing the thread is correctly alignedNo expansion forces means close to the edge fixing and reduced centre spacing distancesUse 12.0mm drill bit.
Clearance hole: 14.0mm
