MonsterBolts - M5 x 8mm Button Head Socket Cap Screws, ISO 7380, Marine Grade Stainless Steel, 10 Pack: Amazon.com: Industrial & Scientific
1500pcs) ISO 7380 M5X8/8 Hexagon Socket Button Head Screws with Fullthread A2 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP7380125-8: Amazon.com: Industrial & Scientific
Amazon.com: Class 8.8 Steel Cap Screw, Plain Finish, Hex Head, External Hex Drive, Meets DIN 933/ISO 898, 25mm Length, Fully Threaded, M12-1.75 Metric Coarse Threads (Pack of 50) : Industrial & Scientific