Allen screw


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Related to Allen screw: Allen key, Allen head

Allen screw

[′al·ən ‚skrü]
(design engineering)
A screw or bolt which has an axial hexagonal socket in its head.
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References in periodicals archive ?
An advantage to this clamshell design is slightly loosening the Allen screws allows the sight housing to be moved right or left to allow no-wind zero (where the bullet hits when conditions are dead calm) and mechanical zero (where the rear sight is dead center in the middle of its left to right travel) to coincide.
If this doesn't do it, or if you finally strip the head of the Allen screw, try drilling out the screw.
Nicely checkered double-diamond rosewood grips attached with four stainless steel Allen screws complete the good-feeling and effective grip area.
Turn the Allen screw counterclockwise to remove it and lift off the handle.
Set, 6 Allen Screw 1/2 Inch Bsf X 2 Inch X 7/8 Inch Td Length, Rdso Drg.
Savage has a big Allen screw on the back of its bolt that's easy enough to access.
Also, there was no Allen screw in the bottom of the plunger hole, but there is on some guns.
The grip is a 1-piece unit, retained at the butt by a single Allen screw.
Batteries will last for approximately 1-1/2 hours left in the on position The V2 is adjustable for windage using an Allen screw on the right side and elevation screws are located beside the on/off pushbutton.
Just mount the tool on the edge of a solid workbench, adjust the location of the crimping groove by means of an Allen screw, and crank away.
Move the sight laterally while sighting in until windage is adjusted, then lock it in place with the Allen screw.