Size and Quantity-- Thread size of hanger bolts: 5/16-18", Length 2" (50mm) . 12 pcs Double Screws are in the package.
High Quality 4.8 Carbon Steel-- Double ended screw are made of high quality carbon steel, smooth surface without burr, color galvanized surface, corrosion resistance, high strength, durable.
Durable and Easy to Use-- self-attacking design, easy to install.Double Headed Bolts self-tapping screw thread neat and clear,well-made , easy to screw and won't slip loose.
Connection Fastening Function-- Wood dowel screw is suitable for connecting individual wooden parts,is a very ideal sofa accessories.
Widely Used in Wood-- Children Furniture, PET Furniture, Wooden stairs, iron furniture, outdoor furniture, household furniture, solid wood furniture, custom furniture, office furniture, environmental protection furniture etc.