Amazon.com: HanTof 410Pcs Small Button Head Hex Socket Cap Screws, Black Grade 10.9 Alloy Steel, M2 x 4/6/8/10/12/16/20mm Round Allen Head Machine Screws, Nuts and Washers Assortment Kit with Hex Key, Full
Amazon.com: Hakkin 120PCS 5/16-18 Hex Bolts and Nuts Kit, Stainless Steel 5/16" Nuts and Bolts Assortment Kit, Flat & Lock Spring Washers Set Screw Assortment Kit, Machine Screws Set with Storage Case :