Barrel nuts, also known as cross dowels. M6 Barrel Nuts. Threaded hole in the nut is central. Nut has a slotted end to aid positioning. Commonly used in furniture assembly.
(4 PACK) M6 Barrel Nuts Steel - Furniture Cot Ikea Chair 14mm Centre Thread
Drenky Connecting Screws M6 Stainless Steel Screws Connecting Bolts 10 Sets Barrel Nuts Kit M6 X 25mm Hexagon Furniture Bolts Flat Hex Bolt for Bed, Door, Table, Chair, Worktop, Cabinet
(4 PACK) M6 Flat Socket Furniture Bolts, Barrel Nuts & Allen Key- IKEA Beds Cot
M6 x 20mm Cross Dowels/ Barrel Nuts (Centre Hole) for furniture, Beds & Cots
10PCS M6 Carbon Steel 120mm Furniture Bolts With 6mm Barrel Nuts Connector
M6 Cross Dowel Barrel Nuts Centre Thread Furniture Unit Bed Cot.