Through Bolts

A4 Marine Grade Stainless Steel Through Bolts, also known as throughbolts, rag rawl anchors, are a high-performance, torque-controlled expansion anchor suitable for concrete & some natural stone, these are complete, assembled and ready for use. They remove the need for separate plugs and bolts. 

Can also be used with nyloc nuts/nylon locking nuts

You may also like Coach Screws, Flanged Bolts, Masonry Bolts, Multi-Fix Bolts