Ads
related to: screws to fasten thin metal siding
Search results
Results From The WOW.Com Content Network
The coarse thread of a lag bolt and lag mesh deform slightly, making a secure, near watertight, anti-corroding, mechanically strong fastening. mirror screw: This is a flat-head wood screw with a tapped hole in the head, which receives a screw-in chrome-plated cover. It is usually used to mount a mirror. sheet metal screw
Captive nuts come in two basic styles. One type, the cage nut or clip-on nut is a conventional nut held captive by a sheet metal carrier that clips onto the part to be connected. These are generally used to attach screws to sheet metal parts too thin to be threaded, and they can generally be attached, removed and reused with simple hand tools.
Self-tapping screws can be divided into two classes: [3] those that displace material (especially plastic and thin metal sheets) without removing it, known as "thread-forming" self-tapping screws, and self-tappers with sharp cutting surfaces that remove the material as they are inserted, termed "thread-cutting" self-tapping screws.
Where a fastener forms its own thread in the component being fastened, it is called a screw. [3] This is most obviously so when the thread is tapered (i.e. traditional wood screws), precluding the use of a nut, [3] or when a sheet metal screw or other thread-forming screw is used. A screw must always be turned to assemble the joint.
Round head fasteners: With a rounded top, round head fasteners provide a larger bearing surface, suitable for sheet metal or thin plastic assemblies. Pan head fasteners: Pan head fasteners combine a slightly flattened top with a larger bearing surface, offering a streamlined appearance for aesthetic applications. Socket head fasteners: Designed ...
It then bites back into the wood from the side opposite the nail's head, forming a rivet-like fastening. [24] Clench-nails used in building clinker boats. [25] Shoe tack – A clinching nail (see above) for clinching leather and sometimes wood, formerly used for handmade shoes. [26] Carpet tack; Upholstery tacks – used to attach coverings to ...