How do you identify screw heads?

Quote from the video:
Quote from Youtube video: It's a rounded head has a fairly large diameter. So you get a lot of contact underneath it in between it and the surface.

What are the names of screw heads?





Of the many that exist, the most common are: slotted, Phillips, combination (both slotted and Phillips), hex, hex socket, square, Torx® and spanner.

What are the 4 types of screw heads?

Types of Screw Heads/Screw Drives

  • Step 1: Slotted. Slotted screws are the simplest type of screw, consisting of a single slot at the head of the screw. …
  • Step 2: Phillips. The Phillips screw, named after Henry F. …
  • Step 3: Square Aka “Robertson” …
  • Step 4: Torx Aka “Star” …
  • 19 Comments.


What are the 3 types of screws?

3 Common Screw Types at a Glance – Machine, Sheet Metal, and Cap Screws.

What are the 6 common types of screw heads?





6 Common Types of Screw Drives

  • #1) Phillips-Head. Arguably, the most common type of screw drive is Phillips head. …
  • #2) Flat-Head. Also known as a slot drive, a flat-head screw lives up to its namesake by supporting the use of a flat-head screwdriver. …
  • #3) Hex. …
  • #4) Torx. …
  • #5) Double Hex. …
  • #6) Robertson.


What screw do I have?

Screw size is measured in diameter. For example a 1/4-20 screw has 20 threads per inch and a diameter of 1/4 inch. All you need is a steel rule to determine the size and thread count of any screw. Once you learn how to do so, household projects will be much easier.

How do you name a screw?

How to Read Screw Sizes

  1. Read the first letter of the size. This the largest diameter: the measurement of the screw on the thread. …
  2. Read the second number. …
  3. Read the third number, generally the one following the “x.”



How many different types of screw heads are there?

There are a lot of different types of screws.

What are different types of screws?

What Are the Different Types of Screw?

  • Wood Screws. Wood screws are perhaps the most commonly recognised type of screw. …
  • Machine Screws. Blunt ended screws with threads, typically made from brass or steel. …
  • Thread Cutting Machine Screws. …
  • Self Drilling Screws. …
  • Hex Bolts. …
  • Carriage Bolts. …
  • Socket Screws. …
  • Set Screws.

What is a hex 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.

What are different types of wood screws?

Types of Wood Screws

  • Hex-Head Structural Screws.
  • Heavy-Duty Hex-Head Structural Screws.
  • Stainless Steel Hex-Head Structural Screws.
  • Stainless steel is highly resistant to corrosion and is therefore commonly used in environments that are exposed to higher levels of moisture. …
  • Flat Head Structural Screws.


What’s a Panhead screw?

Pan head screws are a common head type of non-countersunk screw head used to secure and fasten insulation. They have wide heads, a flat bearing surface, and a flat or slightly domed top surface with a recessed socket.

What is the name of 6 sided screw?



Hex bolts, or hex cap screws, are large bolts with a six-sided head (hexagonal!) used to fasten wood to wood, or metal to wood.

What does a Phillips screw look like?

Quote from the video:
Quote from Youtube video: This is the phillips screwdriver. And this is the posi screw so these will not fit together properly. So we put one in there.

What is Philip screw?

Definition of Phillips screwdriver



: a screwdriver that is designed to be used with a type of screw (called a Phillips-head screw) that has a slot in its top that looks like a cross.

Why is a Phillips screwdriver called that?

Henry F. Phillips, of Portland, OR, invented the X-shaped socket head screw for car makers who needed a screw that could be driven with more torque and that would hold more tightly than slotted screws.