Top Screw has always been a develop and invent fasteners since 1975.Our main products : such as
blind rivets, blind rivet nuts,threaded insert, plusnut, knurled threaded inserts, b...
Your one-stop-shop for fasteners and accessories, including for doors & windows, furniture,
cabinets, drywall & framing, metal roofing, decking and more.
We are the most respectable manufacturing company, engaged in offering the best of industrial metal
bolts, nuts, screws, washers, ASTM Standard, materials, etc.