Overview Reviews Product Description Spaenaur Master Catalog Product Videos Custom Field Package quantity 100 Product Reviews Write a Review Write a Review × Spaenaur Machine Screw Phillips Flat 5/16"-18 Unc X 5/8" Lg Low Carbon Steel Zinc Plated Ansi B18.6.3 Latest Revision 385-064 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *