Amazon.com: Furniture Connector Bolts, Black Finish, M6 x 30mm, Pack of 100 : Industrial & Scientific
M6 FURNITURE CONNECTOR BOLTS & CAP NUTS, FLAT HEAD ALLEN KEY SCREWS ZINC PLATED | eBay
Everbilt 1/4 in. x 50 mm Bronze Steel Narrow Connector Bolts (4-Pack) 801834 - The Home Depot
Connector Nuts and Bolts : Apex Fasteners
M8 Furniture Connector Bolts Joint Connector Bolts Allen Key Head 8mm-120mm COT | eBay
China Custom Special Furniture Connector Bolts M6 Stainless Steel Flat Head Book Binding Chicago Screws - China Bolt and Nut, Bolt Nut | Made-in-China.com