self-tapping screw


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self-tapping screw

[′self ¦tap·iŋ ′skrü]
(design engineering)
A screw with a specially hardened thread that makes it possible for the screw to form its own internal thread in sheet metal and soft materials when driven into a hole. Also known as sheet-metal screw; tapping screw.

sheet-metal screw, tapping screw

sheet-metal screws
A coarse-threaded, tapered screw with a slotted head for driving with a screwdriver; used for fastening sheet metal and other materials, without a tapped hole and without a nut.
References in periodicals archive ?
"I installed a 90-degree chain-link fence corner connector at the top of each leg assembly and screwed a self-tapping screw through it into the 1 1/8" top pipe.
Two main categories of self-tapping screws - thread-cutting and thread-forming - are used with plastics.
Related stock items include self-tapping screws, self-drilling screws, thread forming screws, hammer drive screws, machine screw SEMs and wood screws.
Anderson Manufacturing, founded in 1976, operates a 52,000 square foot facility producing complex cold-formed terminals, pins, semi-tubular rivets, shoulder rivets, screws, contacts, threaded forming screws, self-tapping screws, clinch studs and anti-cross threaded products.
Accessories include a bus system for enclosures that share common power and data connections, wall suspension elements, terminal blocks, plug headers, self-tapping screws, and transparent lids.
Tempus is available in one to five level plating options with fixed and variable self-drilling and self-tapping screws.
According to MSHA's report, the accident occurred because the two self-tapping screws used to mount the cable tray on the right side were not long enough to support the cable tray when electrical cable was placed in it.
Also, installation is not dependent on the location of an idler frame; instead, owners can attach the covers with self-tapping screws at any point along the length of a conveyor's structure.
Connect them by sliding one of the 1-inch-diameter sleeves over the ends of both and securing with four 3/4-inch self-tapping screws. Each assembled rafter should rise 2-feet vertically before bending toward the peak.
The cases consist of a top and base molding that are assembled by self-tapping screws. The thin base part incorporates two mounting ears, and the deep top part includes internal screw pillars for PCBs.
The self-tapping screws don't require predrilled holes, even near corners, and the star head design ensures the heads won't strip.
Stainless steel products covered are wood screws, self-tapping screws, screws and bolts without heads of stainless steel, slotted and cross-recessed screws, hexagon socket head screws and hexagon bolts.