Amazon.com: Stainless 5/16 x 1" Hex Lag Screw (1" to 5" Lengths Available in Listing), 18-8 Stainless Steel, 25 Pieces (5/16 x 1") : Industrial & Scientific
3/8-16 x 4-1/2 Socket Cap 316 Stainless Steel Screw (100 pk)
Everbilt 5/16 in.-18 x 3 in. Hex Flat Head Stainless Steel Socket Cap Screw 826668 - The Home Depot
5/16" x 3/4" Zinc Plated Hex Washer Head Sheet Metal Screw | K.L. Jack
5/16-18 x 1-1/2" inch (10 pcs) Phillips Pan Head Machine Screw Bolt, 304 Stainless Steel 18-8 Screw, UNC Full Thread, Bright Finish by RoyceMart: Amazon.com: Industrial & Scientific
Fastenere.com: 5/16-18 Flat Head Socket Cap Screws Stainless Steel 316
4-40 x 5/16" Stainless Steel Phillips Pan Head Machine Screw 18-8 | K.L. Jack
5/16" x 4" Self-Drilling Screws / Unslotted / Hex Washer Head / 18-8 Stainless Steel
5/16 x 1.25 Stainless Steel Lag Screws and Washers, 4 Pack — iFilters