Both of the handrails I bought used 3/8 inch anchors. Since I am not always lucky with getting those anchors to tighten up, I also added a bit of construction glue to the hole before sticking in the anchor.
By Karen Wild
1/4 inch cement drill bit harden steel. Check the size of the bolts they send
By Bblythe Evelina
The handrail will come with the correct bit and hardware.
By Geoffrey Partridge
you need to drill 5"1/13 holes in the concrete
By Malcolm Bryce
I did not use the anchors that came with the handrail. I purchased concrete anchor screws. I think they hold much better. But I anchored to brick, so I was concerned about the supplied anchors not holding.
By Andy Matthew
Vevor provides the bit with the kit.
By Colbert Rebecca
Don’t know I installed mine on wooden steps.
By Bertha Occam
3/8 bit is sufficient enough to anchor this.
By Andre Goldsmith
