Standard Socket Head Cap Screw Dimensions (Alloy & Stainless Steel) ASME B18.3-2003
| Basic Screw Diameter Click on the size t ... | Body Diameter (D) | Head Diameter (A) | Head Height (H) | Head Height (H) |
| 3/4 | 0.7500 | 0.7406 | 1.125 | 0.750 |
| 7/8 | 0.8750 | 0.8647 | 1.312 | 0.875 |
| 1 | 1.0000 | 0.9886 | 1.500 | 1.000 |
| 1-1/4 | 1.2500 | 1.2336 | 1.875 | 1.250 |
Which screw should I use?
Socket Head Screws Alloy Steel Socket Head Screws The standard for high-strength fastening. Mil. Spec. Alloy Steel Socket Head Screws Choose these screws for their adherence to strict military standards for material and construction. Left …
What socket wrench set should I buy?
Socket Screws. A wide range of socket screws, useful in a variety of applications requiring a strong bolt or screw where access is limited. Socket screws are also known as Allen head screws or bolts, and are fastened using a hexagonal or shaped wrench, requiring a key to tighten and remove. Standard sizes available from stock.
What material is a socket head cap screw made of?
20 rows · Description. Fully threaded, headless screw with a hexagonal drive at one end and a cup-shaped ...
What are the different types of socket wrenches?
Socket head cap screws, also known as Allen head screws, are exclusive high-strength tension fasteners that are specifically designed for clamping assemblies. Socket screws are primarily used in tool and die fixture applications; however, due to their unique head design, ultra-durable and reliable socket Allen bolts can be used for a wide range of applications.
When would you use a socket screw?
Socket head cap screws are used for applications with limited space. They have cylindrical head and internal wrenching features (mostly hexagon socket) that allow them to be used in locations where externally wrenched fasteners aren't desirable.
What is a socket screw called?
Socket screws are also known as Allen head screws or bolts, and are fastened using a hexagonal or shaped wrench, requiring a key to tighten and remove.
How do you screw in a screw socket?
0:282:25How to Install & Use Set Screws | Fasteners 101 - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe set screw in the hole. And then going to use my allen key and I'm going to turn it and typicallyMoreThe set screw in the hole. And then going to use my allen key and I'm going to turn it and typically a set screw is used because it's a it's in a tight area.
What size are normal socket screws?
All modern sockets have standard size M3. 5 (3.5mm) diameter screws. The lengths can differ, so measure one that you haven't lost just to be sure. If you've lost them both, unscrew one from another nearby socket or switch.
What are wood screws?
Wood screws are sharp-pointed screws for nonstructural, wood-to-wood fastening. Wood screws have coarse threads and an unthreaded shank near the head, which allows the screw to pull the wood pieces tightly together.
What is hex socket bolt?
Hexagon socket head cap screws (cap bolts) Bolts with a hexagonal hole on a cylindrical head that's fastened with a hex wrench. Although they are also called cap screws or socket screws, the most common names are "hexagon socket head cap screw" and "cap bolt".
What is the difference between a bolt and a screw?
A bolt is a non-tapered fastener that uses a washer and nut to hold objects together. A screw is a tapered fastener that mates with an existing thread or creates its own thread in a material as it turns.Oct 28, 2018
What are grub screws used for?
Well, the grub screw is generally used to secure an item against another item, without the use of a nut. This is important, because the ability to secure without a nut makes the grub screw very versatile, and means that a grub screw can be used in applications that require a very small and unobtrusive fixing.
How do you measure screw socket size?
Measuring Bolts and Screws Length is measured from the point at which the head sits flat with the surface, to the tip of the threads. Hex, pan, truss, button, socket cap, and round head screws are measured from right under the head to the end of the threads.
What are M4 screws?
They're made from a durable carbon steel and come with a nut for tightening metal surfaces together. The M4 machine screw has a thread diameter of 4 millimetres, in simple terms the M stands for millimetres followed by the size – in this case 4 mm. 12 products. See more Screws.
What size are switch screws?
Switch plate screws are generally 6-32 (thread diameter of #6 and 32 threads per inch).
What is socket cap?
Socket cap (smooth) Socket caps have a small cylindrical head with tall vertical sides. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key). A low carbon steel for general use.
What is stainless steel?
The most common stainless steel for general hardware use. A corrosion resistant steel alloy. The most common stainless steel for general hardware use. A chemically produced coating that leaves the steel surface with a matte black finish and offers mild corrosion resistance.
What is a flat head?
Flat heads are countersunk (cone shaped under the head) with a flat top. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key). A corrosion resistant steel alloy. The most common stainless steel for general hardware use. A corrosion resistant steel alloy.
What are socket screws made of?
The most common materials are steel and stainless steel but alternatives include brass, aluminium, black nickel, zinc-plated and chrome socket screws. The ideal material to choose will depend on the specific application where the socket screw will be used.
What is a socket head cap screw?
A socket head cap screw is also commonly referred to as a socket cap screw, Allen bolt, or simply a socket screw. In many ways, it is very much the standard version of a socket screw. Socket head cap screws are widely used in industrial production and assembly lines, including in the automotive sector, furniture manufacture, ...
What is a cap screw?
What is a Socket Head Cap Screw? The name 'cap screw' was traditionally used as an umbrella term, meaning any one of the various screw types chosen for fastening applications where the use of a nut and bolt installation was deemed unsuitable.
Is brass plating corrosion resistant?
However, it's also worth noting that brass plating will be less resistant to corrosion than solid brass socket screws. If the product will be used in an exposed location or outdoor application, solid brass socket screws are the preferable option. View Range.
Is brass a good socket cap?
Brass socket cap screws might often be preferred for their aesthetic value, but as an alloy of copper and zinc, brass or brass-tipped socket screws may offer further advantages in certain situations. Brass is stronger than copper alone, although it will still be considerably less rigid than most varieties of steel or stainless steel socket screw.
Socket Head Screws
With a deeper drive than flat and rounded head screws, socket head screws withstand more torque for a tighter hold. Install in a counterbored hole or above the surface.
Rounded Head Screws
A domed head sits above the surface of your material. Includes screws such as pan, button, binding, and truss head screws.
Flat Head Screws
Flat and oval head screws are angled under the head to fit in countersunk holes.
Reference Charts
Includes charts that list specifications and tightening guidelines for socket screws as well as charts that provide decimal equivalents and drill sizes.
