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 ?
Inserts in die cast zinc, steel, brass or stainless steel may be push-fit or inserted by self-tapping thread cutting, others may be moulded in place.
Three days after the operation of implanting micro implants with self-tapping implantation and assisting implantation, the planting area was rinsed alternately with 3 % hydrogen peroxide solution and 0.9 % saline solution.
"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.
"The difference between Picasso I and Picasso II is the double-lead thread and self-tapping, anodized screw that streamlines the implant process," said Estella Baytan, vice president of marketing and clinical operations.
* Top, base, and intermediate rings, assembled by 2 self-tapping screws.
The cases consist of a top and base molding that are assembled by self-tapping screws.
The self-tapping screws don't require predrilled holes, even near corners, and the star head design ensures the heads won't strip.
The included O-ring gasket provides a watertight seal when the lid is reattached and secured with the self-tapping set screw.
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.
Called GARDSERTS, the kit tunas thread repair into a two-step process: drilling a hole with a standard drill bit and then inserting a self-tapping insert either manually with a bolt or driving the insert in with an impact wrench.
To make registration plates more secure, use double-sided adhesive tape and self-tapping screws.
Find a location on your stand, drill one small diameter hole, and then use the double-sided tape and self-tapping screw to secure it firmly to your stand.