1-8 x 6 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

you can order the closest amount possible without having a lot of leftover hardware

245 inches

increasing follow-up expansion should the hole increase in size as a result of a crack

10 x 3 - PAMFast Small Flat Head X-Point Type 17 Wood Decking Stainless Steel AutoFeed Screws - Carton (1000) 5/8-11 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 1-8 x 6 1/2 GradeThis stainless steel auto feed screw is specifically designed for wood decking. It features a small flat head X point type 17 and is engineered for easy installation. The carton contains 1000 screws for completing a large project.