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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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.
Custom Ruger Model 44 Scope Base
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.
Munson Machinery
Use a 3/8-in socket-head screw key to remove both pipe screws on the barrel of the MRS.
Inspect MRS twice a year
The hole is beveled for an 82-degree, flat-head, socket-head screw. The screw head must be below the sliding safety as it moves rearward.
Pillar bedding the Savage Model 112 long action: while the Savage Model 12 single-shot short action has a rear bedding pillar, the former Model 112 long action single shot did not the addition of two major pillars positioned at the two trigger guard screw holes vastly improves the overall bedding
A 1/4-20 socket-head screw holds these parts firmly in position.
Using a stock-drilling jig for pillar bedding: pillar bedding is a proven means of improving rifle accuracy, but it must be performed with precision to be effective. Here's how to simplify the job and eliminate costly mistakes
Following this, I beveled the larger hole with an 82-degree countersink for an 8-32 socket-head screw.
Make a universal scope-reticle adjuster: here's how to make a scope-reticle adjusting tool, and why you'll find it indispensable
On the left and fight side of the base are socket-head screws, which enter the hole in the base and engage the stud.
Elegance defined: classic scope mounts from Conetrol
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.
A folding-Truss Dobsonian
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.
SKS optic mount: scoping a SKS carbine can be a worthwhile gunsmithing project
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.
My C-Channel 6
The base of the trigger is attached to the flame of the crossbow with three #6-32 countersunk socket-head screws.
Simple crossbow mods for improved performance and safety: the energy behind the projectile might come from a different source, but many components of the crossbow are similar to that of a firearm and can benefit from the attention of the innovative gunsmith
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