High quality material - These bolts and furniture nuts are carbon steel zincped for durability and rust protection. Security and stability - Once the hex bolts are installed, they are attached to the connection material stably, without risk of displacement. Length: 40mm. Large application - bolts and barrel nuts to join the wood, the boards, the kitchen work plans, cabinets, cabinets and various other furniture Perfect replacement products - well constructed solid mounting element, they are also an excellent replacement for industrial and construction fixings. Size: 40mm Description: Furniture bolts and barrel nuts are a type of attachment having a barrel-shaped flange and a threaded protruded nut inside. The nut rests in the components in the components. Fastening courses, the flange provides the support surface. The nut and the accompanied machine bolts are flush on each side of the surfaces to be fixed. The nut has a Pozidriv command, to help tighten the attachment. Features: