socket-head screw

socket-head screw

[′säk·ət ¦hed ‚skrü]
(design engineering)
A screw fastener with a geometric recess in the head into which an appropriate wrench is inserted for driving and turning, with consequent improved nontamperability.
References in periodicals archive ?
The base was then placed in the mill vise where it was drilled for an 8-32, 82-degree socket-head screw. The base was again attached with the three screws, making sure the screws didn't protrude beyond thread depth.
The cutter tips, which are available in stainless steel, tool steel, and tungsten carbide, can be slid onto blade holders and secured with one retaining socket-head screw, allowing rapid replacement.
Use a 3/8-in socket-head screw key to remove both pipe screws on the barrel of the MRS.
Following this, I beveled the larger hole with an 82-degree countersink for an 8-32 socket-head screw.
On the left and fight side of the base are socket-head screws, which enter the hole in the base and engage the stud.
My secondary cage has 3/8-inch-thick rings, so I used 3/4-inch-long 1/4-20 socket-head screws with pressed-on plastic knobs.
The only materials required are two 8-32 x l/2-inch socket-head screws, two 1/2-inch number 8 round-head sheet metal screws, and a length of flat metal stock 9/16 x 3/16 x 4 3/8 inches in length.
The receiver wall is fully 0.110-inch thick where it is tapped, providing sufficient screw thread depth for hardened socket-head screws. I started with screws a bit over length as the mount and spacer were tightened in position and later cut the screws to exact length.
I considered various methods of attaching the C-channels to the tube segments and wound up using 1/4-20 socket-head screws mounted in the tubes and keyhole slots in the struts.