http://www.fasteners-taiwan.com/nut-fasteners/ inch Nut Fasteners ZONBIX: A leading Taiwanese supplier for industrial components and fasteners. 30 years of excellence since 1988. Weld nuts are meant to be used for creating a permanent hold with another metal surface. This Tab Spot Weld Nut is ideal for overcoming space constraints, with a self-locating design for easy installation. Available in various materials and finishes. You can even request to use your own sources of raw materials. To protect goods during transportation, ZONBIX spends 2X as much as our competitors on packaging. The pallets we use can safely carry up to 1200 kg