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 ?
1 10-foot length of 1 1/2" EMT pipe 1 10-foot length of 1 1/4" EMT pipe 3 10-foot lengths of 1 1/8" chain-link fence post pipe 8 1 1/2" EMT conduit hangers 12 5/16" x 2 3/4" clip pins 4 1 1/8" chain-link fence 90-degree connectors Self-tapping screws and clip pins or other connection hardware
The discrepancy for the self-tapping screw may be due to the use of an approximate yield strength value for the fastener.
A screw boss was designed according to guidelines set by a company that manufactures engineered self-tapping screws.
In this paper timber-to-concrete connections with inclined self-tapping screws were analysed according to the European Yield Model.
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.
To make registration plates more secure, use double-sided adhesive tape and self-tapping screws.
And along with its counterpart SL 7580, this material yields functional prototypes that can be assembled using self-tapping screws without cracking.
I had to go to the local screw manufacturer to buy some three-inch self-tapping screws.
Somewhere in between, they came up with Cold Chisel, a down-to-earth band fronted by gravel-voiced Jimmy Barnes - a singer who always sounded as if he gargled with self-tapping screws.
This can be seen in the polycarbonate valance, for example, which is applied in double sheets and screwed, almost crudely, to the supporting pipe columns with self-tapping screws.
The market information includes the total market size for metal fasteners as well as the market size and trends for the following kinds of products: Aluminium fasteners Copper nuts, screws and bolts Copper cotter pins, cotters and other unthreaded fasteners Copper tacks, staples, nails and drawing pins Copper washers Other copper fasteners Iron and steel coach screws Other iron and steel wood screws Iron and steel screw hooks and screw rings Iron and steel self-tapping screws Iron and steel lock and spring washers Other iron and steel washers Iron and steel cotter-pins and cotters Iron and steel nuts Iron and steel rivets Iron and steel tacks, staples, nails, corrugated nails and drawing pins Other iron and steel fasteners
A Fix upvc self-tapping screws to the upvc surround facings and avoid the frame.