A square head screw threaded the entire length

14 x 7 ThruLOK® Screw Bolt Fastening System (24)

1 1/4-7 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

This reliable hardware is an ideal choice for a wide range of applications

concrete and sandstone

1/2-13 x 5 1/2 Carriage Bolt 316 (A4) Stainless Steel Simpson Hex Head Black Titen Turbo™ Concrete and Masonry Screw Anchor A square head screw threaded1 2 13 x 5 1 2 Carriage Bolt 316 (A4) Stainless Steel is made from A4 316 Stainless Steel providing superior corrosion resistance and durability to ensure a long lasting product for outdoor and marine applications With a tensile strength of 80ksi, this bolt will provide a secure and strong hold for your application