I used them to attach some table legs along with these wood insert nuts: https://www.amazon. com/gp/aw/d/B002WC8TVG?psc=1&ref=ppx_pop_mob_b_asin_title I could spin these things hard enough to drive pucks through wood. I can't express enough how beautiful it was. My table now has a shear strength that will enable it to withstand the beating my short tempered little ones will soon deal with.