Set screw

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Related to Set screw: bolt
(Mach.) a screw, sometimes cupped or printed at one end, and screwed through one part, as of a machine, tightly upon another part, to prevent the one from slipping upon the other.

See also: Set

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
When a gas block is manufactured, the gas port is drilled through the bottom, leaving a nice inline hole for a set screw. Line up the dimple on the barrel with this hole and install the set screw.
It will fit Phase 5 HexOne or Hex-2 buffer tubes, most cylindrical buffer tubes measuring 1.10-1.25" O.D., and rifle-length receiver extension tubes, provided the set screw is secured on the cylindrical buffer tube with a small dimple on it.
Dueck Defense provides an Allen wrench for a set screw. The RBU goes on like any aftermarket rear sight, while a set screw offers additional security.
"A set screw on a gas block is begging for it, and on a fighting gun it is a no-go."
The set screw holding the idler shaft was in place in the crankcase but appeared to not be engaged with the idler shaft, allowing it to rotate and wear its way through the plug.
The next day the patient was operated on where the fracture was fixed with a third-generation short Gamma nail (Stryker, Kalamzoo, USA), using a set screw to control rotation of the lag screw.
At the muzzle I turned a section to .500" (1/2") diameter so that a set screw type flash suppressor could be installed later.
* Reduction Set Screw Driver - allows for rod reduction through the tower without wound expansion while simultaneously driving the set screw thus reducing unnecessary steps.
The faucet handle can be removed by loosening a set screw at the base of the handle, which will expose the faucet valve.
These receivers have a built in winter trigger guard, tension set screw, captured takedown spring, and a beveled magazine well.
The Everest features a locking set screw with a modified square thread, which could reduce the potential of cross-threading.