Question: what size are crib screws?
Answer: Description. This crib bolts screws hardware kit includes M6 x 16mm 20mm 30mm 40mm 45mm 50mm 55mm 70mm 75mm 85mm screws and M6 barrel nuts (9.8mm x 11mm 12.5mm 14.5mm / D x L), they fit most cribs, beds, Cot, Bunk, tables, chairs, or workbenches, diy projects, furniture, etc.