VIGRUE 715PCS M2.5 x 4/6/8/10/12/16/20/25mm Hex Button and Socket Head Cap Screws Nuts Washers Assortment Kit with Storage Box, 12.9 Grade Alloy Steel Black: Amazon.com: Industrial & Scientific
New Lon0167 10,9 Grade M6x12mm Rundkopf Innensechskant Linksgewinde Schraube 2tlg(10.9 Grade M6x12mm Round Head Inner Hex Socket Left Hand Thread Bolt 2pcs : Amazon.de: Baumarkt
Amazon.com: High-Strength Sheet Metal Bolts - Durable Bolts for Indoor and Outdoor Use - Versatile Bolts for Crafting and Engineering - 5/16-" -18 X 2" Aluminum Carriage Bolts - Lot Of 25 Pcs. : Industrial & Scientific