£0.40 £0.33 Description Overview 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 distance Related products M 6 X 100THUNDERBOLT M6X100 £0.60 £0.50 Read more M 8 X 75THUNDERBOLT M8X75 £0.60 £0.50 Read more