The hole in the barrel nut is in the centre (these are not offset). Flat headed bolts with an Allen Key socketed head for easy tightening. Combine with the cross dowels to create a very rigid and sturdy connection.
eBay
4-in-1 Multi-function Bedside Crib With Changing Table, 6 Adjustable Heights, Movable Cradle With Wheels And Mosquito Net
Aliexpress UK
eBay
Mini Iron Miniature Cradle Bed, Square Cradle with Mouse Treasure Suitable for Toy House Decorations BJD/OB11 Gift
Aliexpress UK
Material : Carbon Steel.
eBay
1set 1:12 Dollhouse Miniature Toy Model Accessories Furniture Decor Decoration Cradle Crib Surround Bed Doll House Bedroom
Aliexpress UK
1 Bunk Bed Bolt + 1 Half Moon Nut. 2 Bunk Bed Bolts + 2 Half Moon Nuts. 1 Bunk Bed Bolt Only. 3 Bunk Bed Bolts + 3 Half Moon Nuts. 4 Bunk Bed Bolts + 4 Half Moon Nuts. 5 Bunk Bed Bolts + 5 Half Moon Nuts.
eBay
Hot! 1Set 1:12 Dollhouse Miniature Cradle Crib Surround Bed Furniture Bedroom Model Decor Toy Doll House Accessories
Aliexpress UK
4 X Cross Dowel M6 - 14mm Length.
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Infant Cotton Bumper Chichonera Baby Crib Cot Protector Newborn Bed Barrier Cushion Braid for Children's Safety Bebe Cunas
Aliexpress UK
Bolt Length: 20mm. M6x20mm Black Furniture Connector Bolts. Allen key socket size: M4 key. Threaded Bolts ideal for joining units together and furniture assembley including beds, cots, kitchen units and many other uses.
eBay
Baby Crib Playpen Foldable Portable Baby Crib, Multifunction Bedside Bassinet for Babies and Toddlers, Playpen Indoor Game
Aliexpress UK
Quantity ：50pcs. 5Pcs x M6 x 40mm screws. 5Pcs x M6 x 50mm screws. 【Friendly Design】：The flat head screw nut slot is deep and the surface is smooth and burr-free. The uniform strength of the screw nut and screws ensure that they do not slip or tear off during use.
eBay
Elevated Mesh Breathable Dog Bed with Removable Washable Bolsters Cooling Dog Cat Cot Breathable Pet Sofa Cot for Indoor Outdoor
Aliexpress UK
Bolt Length: 70mm. M6x70mm Black Furniture Connector Bolts. Allen key socket size: M4 key. Threaded Bolts ideal for joining units together and furniture assembley including beds, cots, kitchen units and many other uses.
eBay
Multifunctional European 4 in 1 Organizer Storage Combination Babies Cot Bed Wooden Baby Crib
Aliexpress UK