- A socket cap screws are machine screws with a cylindrical barrel shaped head containing a hexagonal socket. ... Socket cap screws are often used with the head recessed within a counter bored hole, leaving the end of the head flush with the surface of the part being fastened.
HEX SOCKET CAP SCREWS
- A lag screw is a heavy-duty wood screw, a metal screw is typically a small self-tapping screw for sheet metal. Lag screws and metal screws are both types of self-tapping screws. Lag screws are primarily designed to be screwed into wood while metal screws are intended to be screwed into sheet metal.
Lag screw
- Hex Cap Screws are fasteners featuring a hexagonal, six-sided, head with a washer face on the bearing surface and a chamfered point. Commonly used in construction and machine assemblies, hex cap screws are one of the most common fasteners used on the jobsite today.
HEX CAP SCREWS
- They have a square shaped wrenching head which is used with a square nut. The square head of the bolt gives ample wrench grip for tightening. Square head bolts have a greater bearing section for gripping. They allow for more tightening than a hex head. The adjustable wrench gives way for minimization of slippage.
Square head screw
- A shoulder screw is a mechanical fastener that screws into one part and provides a freely rotating pin joint connection to another part. A shoulder screw, also called a shoulder bolt, has a shank with a larger diameter immediately below the head that “steps down” to a smaller diameter for the threaded length
Shoulder screws
- A button head socket cap screw is a type of cap screw with a cylindrical head and hexagonal drive hole. ... Button Socket Head Screws are commonly used in automotive, electronics, machinery and manufacturing applications due to their versatility, raised dome head, and durability.
BUTTON HEAD SOCKET CAP SCREW
- Wing screws are a type of fastener designed to be tightened and loosened by hand. ... Like thumb screws, wing screws are commonly used in consumer products.
Wing Screw
- Self-drilling screws are sometimes known by the brand name, Tek® Screws. These screws can be identified by the drill bit shaped point of the screw and are designed for a variety of applications such as fastening metal to metal and metal to wood.
Self Drilling Screw
- The action of driving the screw in will result in the self-tapping screw cutting a thread into the material and securing the materials together. Self-tapping screws are typically used to secure wood, plastic, metal and brick together. There are two types of self-tapping screws, thread-forming and thread-cutting.
Self Tapping Screw
- countersunk screw is a type of screw that's designed to rest flush with the object or surface in which it's inserted. They are called “countersunk screws” because they “sink” into objects and surfaces. They feature a flat head that tapers along the shaft
Countersunk Head Screw
