You can order replacement spare parts for free. The US ordering system is https://www.ikea.com/us/en/customer-service/returns-claims/spareparts/ https://www.ike

You can order replacement spare parts for free. The US ordering system is https://www.ikea.com/us/en/customer-service/returns-claims/spareparts/ https://www.ikea.com/us/en/customer-service/returns-claims/s..., and the cams have spare part number 103114. Obviously this is meant to be used if you break or lose a cam or two during assembly.