Amazon.com: (20 pcs) M12-1.75 X 220mm, DIN 931 / ISO 4014, Metric, Hex Head Cap Screws Bolts, Part Thread, A4-80 Stainless Steel : Industrial & Scientific
1000pcs) DIN 433 M12 Washers (13mm ID) for Cheese Head Screw A4 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP04334130: Amazon.com: Industrial & Scientific
Amazon.com: M12-1.75x40 MM,DIN 933 Hex Head Screw, Stainless Steel (A4-70) DIN 933 (Metric) (Quantity: 250) : Industrial & Scientific