Set up years ago, JM Hardware is a professional manufacturer and also a supplier with strong capabilities in production, design, and R&D. hex slotted nut JM Hardware have a group of service professionals who are responsible for answering questions raised by customers through the Internet or phone, tracking the logistics status, and helping customers solve any problem. Whether you'd like to get more info on what, why and how we do, try our new product - hex slotted nut , or would like to partner up, we'd love to hear from you.In the aspect of its quality, it has been tested for many times with the help of our professional team.