Two hex nuts,each at the end of Screw Arbor,we could produce various sizes.If you're interested in our products,please contact us without any hesitation,let's talk details. The production capacity on this page is a normal number,If your order is big and urgent,the priority will be given!We sale standard parts,but not only,usually,we will receive a drawing from the customer first,if everthing goes well,we will open the tooling(mould),then do a few samples before producing batch orders,and we also could produce pure machining parts.We would quote reasonably once received your drawing and requirement. We always cherish the honest operating,double-wins and our respectable customers.