Screws, Bolts definition: A Screw is a type of fastener, typically made of metal, and characterized by a helical ridge, known as a male thread. Screws are used to fas... Screws, Bolts Product Listing: 9409,25051.Hardware, Fasteners, Accessories type:Board Spacers, Standoffs(687922),Miscellaneous(132036),Knobs(78062),Screws, Bolts(74460),Structural, Motion Hardware(20131) .Screws, Bolts has 2 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.