machine screws w/assembled washer ** Machine screws with assembled washer or washers permanently attached under the head in both METRIC and INCH sizes .Square Cone washers which fill the need for a double SEMS , flat washer and split lock washer double SEMS , external tooth lock washer, internal tooth lock washer and split lock washer. A screw is a type of fastener, in some ways similar to a bolt (see Differentiation between bolt and screw below), typically made of metal, and characterized by a helical ridge, known as a male thread (external thread). Screws are used to fasten materials by digging in and wedging into a material when turned, Description: Captive panel screws are a screw with the thread relieved under head for a portion of the length, so that once threaded through a panel with a washer on the other side, the screw will not fall out.Captive screws are most often used to secure panels, and will remain in the panel . Head Type: Washer Head Length: 0.2500 to 3 inch

FREE! TABLE OF DRIVER SIZES FOR PAN HEAD TORX SCREWS . You can shop for Torx Screw / Torks Screw Products by clicking on any of the pictures above or Search Our Store for Torx Machine Screws , Torx Cap Screws , Torx Thread Forming Screws , Torx Thread Rolling Screws , Torx Self-Tapping Screws , Type F Torks Thread Cutting Screws and Type 23 Torx Thread Cutting Screws . We have a web site dedicated to training, have a look at - for additional information on bolting technology. ACORN NUT A nut (so-called because of its shape) that has a domed top so that it prevents contact with the external thread. Offering small engine repairs, including Kohler, Briggs Stratton, Tecumseh, etc. We are a local and mail-order garden pulling tractor parts and repair service business, and offering small engine repairs, various garden tractor pulling parts and repair services, various Cub Cadet garden tractors parts, sharpening service, steel welding, brazing and general machine shop services.