10 x 75mm M8 Concrete Self Tapping Anchor, Bolt/Screw, with a hex Head, Fixes to Brick, Stone, Masonry & Marble etc...

They do the job

Fixed some batons to a wall - drilled the recommended size hole and screwed the bolts in with a socket wrench. Solid.

I tried expansion bolts and they caused some issued with installation. I reverted to the anchor bolts and they worked very well. As long as you clean out the hole after drilling to ensure all debris is removed before installing the anchor bolt then you won't have any problems screwing it in. Will use again as they have proven to be the best solution when securing something to concrete.

I had to refit a door canopy after removal for flat roof repairs. I'd previously fitted this with expansion bolts with unsatisfactory results. thought I'd give these a try and was delighted at how easy they are. Drill a hole same size as bolts, 8mm in this case. tap in lightly to get initial grip and then drive in with an impact driver or socket wrench. quick and easy, job done and rock solid.

The bolts seem like excellent quality. Used to hold wooden fencing to a concrete brick wall, and they're holding fast where bolts used by contractors had failed in the past.

I needed to attach a fence post bracket to a concrete base. Drilled four 8mm holes and used the self tapping bolts to hold in place, inserted the 100X100mm wooden post and got a solid fixing.

I'm fitting these with epoxy and they are solid. Great buy, fast postage, thanks.

I couldn't get these bolts to work in concrete even when following the instructions to the letter. The bolts appear to bite and then slip, bite and then slip again continually. Eventually you are at the bottom of the pilot hole and the bolt is still loose. I'm going back to using a traditional shield anchor bolt. Getting one star because that is the minimum I can award.