self-tapping screw


Also found in: Dictionary, Medical, Wikipedia.

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
A screw boss was designed according to guidelines set by a company that manufactures engineered self-tapping screws.
One-foot wide strips were glued to a border of some wooden strips, sawed to size from treated 2x4 lumber, and screwed to the hull with self-tapping screws.
Self-tapping screws are used, and are offered in two sizes (5.
Ergo-Cases consist of a top and base molding in off-white or black ABS, which clip together and are secured by two self-tapping screws.
Caption: KEY SPEC: Accessories include battery clips, a sealing kit, self-tapping screws, and a Torx T10 screwdriver.
Included are several technical bulletins that provide information on such components as fire suppression splitters and self-tapping screws.
To facilitate use by surgeons, the VERTEX Reconstruction System features top-loading screws with greater flexibility in screw placement, self-tapping screws that eliminate an operational procedural step, rotating saddles that reduce rod contouring and color-coded instrumentation that corresponds with the appropriate implant.
5 mm - box 1, - cutting disc for metal 230 mm - number 5, - self-tapping screws for metal 30 mm - number 200, - reinforced iron f 10 - ribbed 6 m long - number 1.
To facilitate use by surgeons, the VERTEX MAX Reconstruction System features top-loading screws with greater flexibility in screw placement, self-tapping screws that eliminate an operational procedural step, rotating saddles that reduce rod contouring and color-coded instrumentation that corresponds with the appropriate implant.
3 includes new types of 2D and 3D parts such as spur gears, self-tapping screws, pipe fittings, electric motor and solenoid assemblies, and linear motion systems.